257427625

素因数分解:

$5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 416785824

約数和(自身を除く): 159358199

約数列:

[1, 5, 7, 13, 25, 35, 49, 53, 61, 65, 91, 125, 175, 245, 265, 305, 325, 371, 427, 455, 637, 689, 793, 875, 1225, 1325, 1525, 1625, 1855, 2135, 2275, 2597, 2989, 3185, 3233, 3445, 3965, 4823, 5551, 6125, 6625, 7625, 9275, 10675, 11375, 12985, 14945, 15925, 16165, 17225, 19825, 22631, 24115, 27755, 33761, 38857, 42029, 46375, 53375, 64925, 74725, 79625, 80825, 86125, 99125, 113155, 120575, 138775, 158417, 168805, 194285, 210145, 294203, 324625, 373625, 404125, 565775, 602875, 693875, 792085, 844025, 971425, 1050725, 1471015, 2059421, 2828875, 3960425, 4220125, 4857125, 5253625, 7355075, 10297105, 19802125, 36775375, 51485525, 257427625]

約数ペア:

[(1, 257427625), (5, 51485525), (7, 36775375), (13, 19802125), (25, 10297105), (35, 7355075), (49, 5253625), (53, 4857125), (61, 4220125), (65, 3960425), (91, 2828875), (125, 2059421), (175, 1471015), (245, 1050725), (265, 971425), (305, 844025), (325, 792085), (371, 693875), (427, 602875), (455, 565775), (637, 404125), (689, 373625), (793, 324625), (875, 294203), (1225, 210145), (1325, 194285), (1525, 168805), (1625, 158417), (1855, 138775), (2135, 120575), (2275, 113155), (2597, 99125), (2989, 86125), (3185, 80825), (3233, 79625), (3445, 74725), (3965, 64925), (4823, 53375), (5551, 46375), (6125, 42029), (6625, 38857), (7625, 33761), (9275, 27755), (10675, 24115), (11375, 22631), (12985, 19825), (14945, 17225), (15925, 16165)]