77065690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1535

約数の個数: 48

約数和(自身を含む): 155160576

約数和(自身を除く): 78094886

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1471, 1690, 2015, 2942, 4030, 5239, 7355, 10478, 14710, 19123, 26195, 38246, 45601, 52390, 91202, 95615, 191230, 228005, 248599, 456010, 497198, 592813, 1185626, 1242995, 2485990, 2964065, 5928130, 7706569, 15413138, 38532845, 77065690]

約数ペア:

[(1, 77065690), (2, 38532845), (5, 15413138), (10, 7706569), (13, 5928130), (26, 2964065), (31, 2485990), (62, 1242995), (65, 1185626), (130, 592813), (155, 497198), (169, 456010), (310, 248599), (338, 228005), (403, 191230), (806, 95615), (845, 91202), (1471, 52390), (1690, 45601), (2015, 38246), (2942, 26195), (4030, 19123), (5239, 14710), (7355, 10478)]