128515212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16451}}^1$

素因数の和:16499

約数の個数: 72

約数和(自身を含む): 383265792

約数和(自身を除く): 254750580

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 16451, 32902, 49353, 65804, 98706, 115157, 148059, 197412, 230314, 296118, 345471, 460628, 509981, 592236, 690942, 1019962, 1036413, 1381884, 1529943, 2039924, 2072826, 3059886, 3569867, 4145652, 4589829, 6119772, 7139734, 9179658, 10709601, 14279468, 18359316, 21419202, 32128803, 42838404, 64257606, 128515212]

約数ペア:

[(1, 128515212), (2, 64257606), (3, 42838404), (4, 32128803), (6, 21419202), (7, 18359316), (9, 14279468), (12, 10709601), (14, 9179658), (18, 7139734), (21, 6119772), (28, 4589829), (31, 4145652), (36, 3569867), (42, 3059886), (62, 2072826), (63, 2039924), (84, 1529943), (93, 1381884), (124, 1036413), (126, 1019962), (186, 690942), (217, 592236), (252, 509981), (279, 460628), (372, 345471), (434, 296118), (558, 230314), (651, 197412), (868, 148059), (1116, 115157), (1302, 98706), (1953, 65804), (2604, 49353), (3906, 32902), (7812, 16451)]