86656492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 173420800

約数和(自身を除く): 86764308

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 139, 247, 278, 494, 556, 631, 988, 1262, 1807, 2524, 2641, 3614, 5282, 7228, 8203, 10564, 11989, 16406, 23978, 32812, 34333, 47956, 68666, 87709, 137332, 155857, 175418, 311714, 350836, 623428, 1140217, 1666471, 2280434, 3332942, 4560868, 6665884, 21664123, 43328246, 86656492]

約数ペア:

[(1, 86656492), (2, 43328246), (4, 21664123), (13, 6665884), (19, 4560868), (26, 3332942), (38, 2280434), (52, 1666471), (76, 1140217), (139, 623428), (247, 350836), (278, 311714), (494, 175418), (556, 155857), (631, 137332), (988, 87709), (1262, 68666), (1807, 47956), (2524, 34333), (2641, 32812), (3614, 23978), (5282, 16406), (7228, 11989), (8203, 10564)]