78155390

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{617}}^1$

素因数の和:916

約数の個数: 32

約数和(自身を含む): 144167040

約数和(自身を除く): 66011650

約数列:

[1, 2, 5, 10, 53, 106, 239, 265, 478, 530, 617, 1195, 1234, 2390, 3085, 6170, 12667, 25334, 32701, 63335, 65402, 126670, 147463, 163505, 294926, 327010, 737315, 1474630, 7815539, 15631078, 39077695, 78155390]

約数ペア:

[(1, 78155390), (2, 39077695), (5, 15631078), (10, 7815539), (53, 1474630), (106, 737315), (239, 327010), (265, 294926), (478, 163505), (530, 147463), (617, 126670), (1195, 65402), (1234, 63335), (2390, 32701), (3085, 25334), (6170, 12667)]