31502988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 94348800

約数和(自身を除く): 62845812

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 53, 57, 66, 76, 79, 99, 106, 114, 132, 158, 159, 171, 198, 209, 212, 228, 237, 316, 318, 342, 396, 418, 474, 477, 583, 627, 636, 684, 711, 836, 869, 948, 954, 1007, 1166, 1254, 1422, 1501, 1738, 1749, 1881, 1908, 2014, 2332, 2508, 2607, 2844, 3002, 3021, 3476, 3498, 3762, 4028, 4187, 4503, 5214, 5247, 6004, 6042, 6996, 7524, 7821, 8374, 9006, 9063, 10428, 10494, 11077, 12084, 12561, 13509, 15642, 16511, 16748, 18012, 18126, 20988, 22154, 25122, 27018, 31284, 33022, 33231, 36252, 37683, 44308, 46057, 49533, 50244, 54036, 66044, 66462, 75366, 79553, 92114, 99066, 99693, 132924, 138171, 148599, 150732, 159106, 184228, 198132, 199386, 238659, 276342, 297198, 318212, 398772, 414513, 477318, 552684, 594396, 715977, 829026, 875083, 954636, 1431954, 1658052, 1750166, 2625249, 2863908, 3500332, 5250498, 7875747, 10500996, 15751494, 31502988]

約数ペア:

[(1, 31502988), (2, 15751494), (3, 10500996), (4, 7875747), (6, 5250498), (9, 3500332), (11, 2863908), (12, 2625249), (18, 1750166), (19, 1658052), (22, 1431954), (33, 954636), (36, 875083), (38, 829026), (44, 715977), (53, 594396), (57, 552684), (66, 477318), (76, 414513), (79, 398772), (99, 318212), (106, 297198), (114, 276342), (132, 238659), (158, 199386), (159, 198132), (171, 184228), (198, 159106), (209, 150732), (212, 148599), (228, 138171), (237, 132924), (316, 99693), (318, 99066), (342, 92114), (396, 79553), (418, 75366), (474, 66462), (477, 66044), (583, 54036), (627, 50244), (636, 49533), (684, 46057), (711, 44308), (836, 37683), (869, 36252), (948, 33231), (954, 33022), (1007, 31284), (1166, 27018), (1254, 25122), (1422, 22154), (1501, 20988), (1738, 18126), (1749, 18012), (1881, 16748), (1908, 16511), (2014, 15642), (2332, 13509), (2508, 12561), (2607, 12084), (2844, 11077), (3002, 10494), (3021, 10428), (3476, 9063), (3498, 9006), (3762, 8374), (4028, 7821), (4187, 7524), (4503, 6996), (5214, 6042), (5247, 6004)]