218808252

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 621548928

約数和(自身を除く): 402740676

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 83, 86, 117, 129, 131, 156, 166, 172, 234, 249, 258, 262, 332, 387, 393, 468, 498, 516, 524, 559, 747, 774, 786, 996, 1079, 1118, 1179, 1494, 1548, 1572, 1677, 1703, 2158, 2236, 2358, 2988, 3237, 3354, 3406, 3569, 4316, 4716, 5031, 5109, 5633, 6474, 6708, 6812, 7138, 9711, 10062, 10218, 10707, 10873, 11266, 12948, 14276, 15327, 16899, 19422, 20124, 20436, 21414, 21746, 22532, 30654, 32121, 32619, 33798, 38844, 42828, 43492, 46397, 50697, 61308, 64242, 65238, 67596, 73229, 92794, 97857, 101394, 128484, 130476, 139191, 141349, 146458, 185588, 195714, 202788, 219687, 278382, 282698, 292916, 391428, 417573, 424047, 439374, 467539, 556764, 565396, 659061, 835146, 848094, 878748, 935078, 1272141, 1318122, 1402617, 1670292, 1696188, 1870156, 2544282, 2636244, 2805234, 4207851, 5088564, 5610468, 6078007, 8415702, 12156014, 16831404, 18234021, 24312028, 36468042, 54702063, 72936084, 109404126, 218808252]

約数ペア:

[(1, 218808252), (2, 109404126), (3, 72936084), (4, 54702063), (6, 36468042), (9, 24312028), (12, 18234021), (13, 16831404), (18, 12156014), (26, 8415702), (36, 6078007), (39, 5610468), (43, 5088564), (52, 4207851), (78, 2805234), (83, 2636244), (86, 2544282), (117, 1870156), (129, 1696188), (131, 1670292), (156, 1402617), (166, 1318122), (172, 1272141), (234, 935078), (249, 878748), (258, 848094), (262, 835146), (332, 659061), (387, 565396), (393, 556764), (468, 467539), (498, 439374), (516, 424047), (524, 417573), (559, 391428), (747, 292916), (774, 282698), (786, 278382), (996, 219687), (1079, 202788), (1118, 195714), (1179, 185588), (1494, 146458), (1548, 141349), (1572, 139191), (1677, 130476), (1703, 128484), (2158, 101394), (2236, 97857), (2358, 92794), (2988, 73229), (3237, 67596), (3354, 65238), (3406, 64242), (3569, 61308), (4316, 50697), (4716, 46397), (5031, 43492), (5109, 42828), (5633, 38844), (6474, 33798), (6708, 32619), (6812, 32121), (7138, 30654), (9711, 22532), (10062, 21746), (10218, 21414), (10707, 20436), (10873, 20124), (11266, 19422), (12948, 16899), (14276, 15327)]