28448875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 64

約数和(自身を含む): 45497088

約数和(自身を除く): 17048213

約数列:

[1, 5, 7, 13, 25, 35, 41, 61, 65, 91, 125, 175, 205, 287, 305, 325, 427, 455, 533, 793, 875, 1025, 1435, 1525, 1625, 2135, 2275, 2501, 2665, 3731, 3965, 5125, 5551, 7175, 7625, 10675, 11375, 12505, 13325, 17507, 18655, 19825, 27755, 32513, 35875, 53375, 62525, 66625, 87535, 93275, 99125, 138775, 162565, 227591, 312625, 437675, 466375, 693875, 812825, 1137955, 2188375, 4064125, 5689775, 28448875]

約数ペア:

[(1, 28448875), (5, 5689775), (7, 4064125), (13, 2188375), (25, 1137955), (35, 812825), (41, 693875), (61, 466375), (65, 437675), (91, 312625), (125, 227591), (175, 162565), (205, 138775), (287, 99125), (305, 93275), (325, 87535), (427, 66625), (455, 62525), (533, 53375), (793, 35875), (875, 32513), (1025, 27755), (1435, 19825), (1525, 18655), (1625, 17507), (2135, 13325), (2275, 12505), (2501, 11375), (2665, 10675), (3731, 7625), (3965, 7175), (5125, 5551)]