1999013412

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 5314833216

約数和(自身を除く): 3315819804

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 101, 121, 129, 132, 172, 202, 242, 258, 303, 317, 363, 404, 473, 484, 516, 606, 634, 726, 946, 951, 1111, 1212, 1268, 1419, 1452, 1892, 1902, 2222, 2838, 3333, 3487, 3804, 4343, 4444, 5203, 5676, 6666, 6974, 8686, 10406, 10461, 12221, 13029, 13332, 13631, 13948, 15609, 17372, 20812, 20922, 24442, 26058, 27262, 31218, 32017, 36663, 38357, 40893, 41844, 47773, 48884, 52116, 54524, 62436, 64034, 73326, 76714, 81786, 95546, 96051, 115071, 128068, 143319, 146652, 149941, 153428, 163572, 191092, 192102, 230142, 286638, 299882, 352187, 384204, 449823, 460284, 525503, 573276, 599764, 704374, 899646, 1051006, 1056561, 1376731, 1408748, 1576509, 1649351, 1799292, 2102012, 2113122, 2753462, 3153018, 3298702, 3874057, 4130193, 4226244, 4948053, 5506924, 6306036, 6597404, 7748114, 8260386, 9896106, 11622171, 15144041, 15496228, 16520772, 19792212, 23244342, 30288082, 45432123, 46488684, 60576164, 90864246, 166584451, 181728492, 333168902, 499753353, 666337804, 999506706, 1999013412]

約数ペア:

[(1, 1999013412), (2, 999506706), (3, 666337804), (4, 499753353), (6, 333168902), (11, 181728492), (12, 166584451), (22, 90864246), (33, 60576164), (43, 46488684), (44, 45432123), (66, 30288082), (86, 23244342), (101, 19792212), (121, 16520772), (129, 15496228), (132, 15144041), (172, 11622171), (202, 9896106), (242, 8260386), (258, 7748114), (303, 6597404), (317, 6306036), (363, 5506924), (404, 4948053), (473, 4226244), (484, 4130193), (516, 3874057), (606, 3298702), (634, 3153018), (726, 2753462), (946, 2113122), (951, 2102012), (1111, 1799292), (1212, 1649351), (1268, 1576509), (1419, 1408748), (1452, 1376731), (1892, 1056561), (1902, 1051006), (2222, 899646), (2838, 704374), (3333, 599764), (3487, 573276), (3804, 525503), (4343, 460284), (4444, 449823), (5203, 384204), (5676, 352187), (6666, 299882), (6974, 286638), (8686, 230142), (10406, 192102), (10461, 191092), (12221, 163572), (13029, 153428), (13332, 149941), (13631, 146652), (13948, 143319), (15609, 128068), (17372, 115071), (20812, 96051), (20922, 95546), (24442, 81786), (26058, 76714), (27262, 73326), (31218, 64034), (32017, 62436), (36663, 54524), (38357, 52116), (40893, 48884), (41844, 47773)]