25414575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 45997056

約数和(自身を除く): 20582481

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 155, 255, 425, 465, 527, 643, 775, 1275, 1581, 1929, 2325, 2635, 3215, 7905, 9645, 10931, 13175, 16075, 19933, 32793, 39525, 48225, 54655, 59799, 99665, 163965, 273275, 298995, 338861, 498325, 819825, 1016583, 1494975, 1694305, 5082915, 8471525, 25414575]

約数ペア:

[(1, 25414575), (3, 8471525), (5, 5082915), (15, 1694305), (17, 1494975), (25, 1016583), (31, 819825), (51, 498325), (75, 338861), (85, 298995), (93, 273275), (155, 163965), (255, 99665), (425, 59799), (465, 54655), (527, 48225), (643, 39525), (775, 32793), (1275, 19933), (1581, 16075), (1929, 13175), (2325, 10931), (2635, 9645), (3215, 7905)]