788757925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 1125068616

約数和(自身を除く): 336310691

約数列:

[1, 5, 17, 19, 25, 53, 85, 95, 97, 265, 323, 361, 425, 475, 485, 901, 1007, 1325, 1615, 1649, 1805, 1843, 2425, 4505, 5035, 5141, 6137, 8075, 8245, 9025, 9215, 17119, 19133, 22525, 25175, 25705, 30685, 31331, 35017, 41225, 46075, 85595, 87397, 95665, 97679, 128525, 153425, 156655, 175085, 325261, 427975, 436985, 478325, 488395, 595289, 783275, 875425, 1626305, 1660543, 1855901, 2184925, 2441975, 2976445, 8131525, 8302715, 9279505, 14882225, 31550317, 41513575, 46397525, 157751585, 788757925]

約数ペア:

[(1, 788757925), (5, 157751585), (17, 46397525), (19, 41513575), (25, 31550317), (53, 14882225), (85, 9279505), (95, 8302715), (97, 8131525), (265, 2976445), (323, 2441975), (361, 2184925), (425, 1855901), (475, 1660543), (485, 1626305), (901, 875425), (1007, 783275), (1325, 595289), (1615, 488395), (1649, 478325), (1805, 436985), (1843, 427975), (2425, 325261), (4505, 175085), (5035, 156655), (5141, 153425), (6137, 128525), (8075, 97679), (8245, 95665), (9025, 87397), (9215, 85595), (17119, 46075), (19133, 41225), (22525, 35017), (25175, 31331), (25705, 30685)]