78411710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19457}}^1$

素因数の和:19508

約数の個数: 32

約数和(自身を含む): 156909312

約数和(自身を除く): 78497602

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 19457, 38914, 97285, 194570, 252941, 505882, 603167, 1206334, 1264705, 2529410, 3015835, 6031670, 7841171, 15682342, 39205855, 78411710]

約数ペア:

[(1, 78411710), (2, 39205855), (5, 15682342), (10, 7841171), (13, 6031670), (26, 3015835), (31, 2529410), (62, 1264705), (65, 1206334), (130, 603167), (155, 505882), (310, 252941), (403, 194570), (806, 97285), (2015, 38914), (4030, 19457)]