977771975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 1319915520

約数和(自身を除く): 342143545

約数列:

[1, 5, 23, 25, 29, 115, 145, 191, 307, 575, 667, 725, 955, 1535, 3335, 4393, 4775, 5539, 7061, 7675, 8903, 16675, 21965, 27695, 35305, 44515, 58637, 109825, 127397, 138475, 176525, 204769, 222575, 293185, 636985, 1023845, 1348651, 1465925, 1700473, 3184925, 5119225, 6743255, 8502365, 33716275, 39110879, 42511825, 195554395, 977771975]

約数ペア:

[(1, 977771975), (5, 195554395), (23, 42511825), (25, 39110879), (29, 33716275), (115, 8502365), (145, 6743255), (191, 5119225), (307, 3184925), (575, 1700473), (667, 1465925), (725, 1348651), (955, 1023845), (1535, 636985), (3335, 293185), (4393, 222575), (4775, 204769), (5539, 176525), (7061, 138475), (7675, 127397), (8903, 109825), (16675, 58637), (21965, 44515), (27695, 35305)]