158702915

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 236171520

約数和(自身を除く): 77468605

約数列:

[1, 5, 7, 19, 35, 49, 95, 103, 133, 245, 331, 515, 665, 721, 931, 1655, 1957, 2317, 3605, 4655, 5047, 6289, 9785, 11585, 13699, 16219, 25235, 31445, 34093, 44023, 68495, 81095, 95893, 170465, 220115, 238651, 308161, 479465, 647767, 1193255, 1540805, 1670557, 3238835, 4534369, 8352785, 22671845, 31740583, 158702915]

約数ペア:

[(1, 158702915), (5, 31740583), (7, 22671845), (19, 8352785), (35, 4534369), (49, 3238835), (95, 1670557), (103, 1540805), (133, 1193255), (245, 647767), (331, 479465), (515, 308161), (665, 238651), (721, 220115), (931, 170465), (1655, 95893), (1957, 81095), (2317, 68495), (3605, 44023), (4655, 34093), (5047, 31445), (6289, 25235), (9785, 16219), (11585, 13699)]