78217490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31667}}^1$

素因数の和:31706

約数の個数: 32

約数和(自身を含む): 159606720

約数和(自身を除く): 81389230

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 31667, 63334, 158335, 316670, 411671, 601673, 823342, 1203346, 2058355, 3008365, 4116710, 6016730, 7821749, 15643498, 39108745, 78217490]

約数ペア:

[(1, 78217490), (2, 39108745), (5, 15643498), (10, 7821749), (13, 6016730), (19, 4116710), (26, 3008365), (38, 2058355), (65, 1203346), (95, 823342), (130, 601673), (190, 411671), (247, 316670), (494, 158335), (1235, 63334), (2470, 31667)]