78661336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{5009}}^1$

素因数の和:5179

約数の個数: 32

約数和(自身を含む): 159919200

約数和(自身を除く): 81257864

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 302, 604, 1208, 1963, 3926, 5009, 7852, 10018, 15704, 20036, 40072, 65117, 130234, 260468, 520936, 756359, 1512718, 3025436, 6050872, 9832667, 19665334, 39330668, 78661336]

約数ペア:

[(1, 78661336), (2, 39330668), (4, 19665334), (8, 9832667), (13, 6050872), (26, 3025436), (52, 1512718), (104, 756359), (151, 520936), (302, 260468), (604, 130234), (1208, 65117), (1963, 40072), (3926, 20036), (5009, 15704), (7852, 10018)]