2653784575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{107}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 3844722672

約数和(自身を除く): 1190938097

約数列:

[1, 5, 13, 17, 25, 65, 67, 85, 107, 221, 325, 335, 425, 535, 871, 1105, 1139, 1391, 1675, 1819, 2675, 4355, 4489, 5525, 5695, 6955, 7169, 9095, 14807, 21775, 22445, 23647, 28475, 34775, 35845, 45475, 58357, 74035, 76313, 93197, 112225, 118235, 121873, 179225, 291785, 370175, 381565, 465985, 480323, 591175, 609365, 992069, 1458925, 1584349, 1907825, 2329925, 2401615, 3046825, 4960345, 6244199, 7921745, 8165491, 12008075, 24801725, 31220995, 39608725, 40827455, 106151383, 156104975, 204137275, 530756915, 2653784575]

約数ペア:

[(1, 2653784575), (5, 530756915), (13, 204137275), (17, 156104975), (25, 106151383), (65, 40827455), (67, 39608725), (85, 31220995), (107, 24801725), (221, 12008075), (325, 8165491), (335, 7921745), (425, 6244199), (535, 4960345), (871, 3046825), (1105, 2401615), (1139, 2329925), (1391, 1907825), (1675, 1584349), (1819, 1458925), (2675, 992069), (4355, 609365), (4489, 591175), (5525, 480323), (5695, 465985), (6955, 381565), (7169, 370175), (9095, 291785), (14807, 179225), (21775, 121873), (22445, 118235), (23647, 112225), (28475, 93197), (34775, 76313), (35845, 74035), (45475, 58357)]