866583380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{81293}}^1$

素因数の和:81356

約数の個数: 48

約数和(自身を含む): 2007636624

約数和(自身を除く): 1141053244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 81293, 162586, 325172, 406465, 812930, 1056809, 1625860, 2113618, 3333013, 4227236, 5284045, 6666026, 10568090, 13332052, 16665065, 21136180, 33330130, 43329169, 66660260, 86658338, 173316676, 216645845, 433291690, 866583380]

約数ペア:

[(1, 866583380), (2, 433291690), (4, 216645845), (5, 173316676), (10, 86658338), (13, 66660260), (20, 43329169), (26, 33330130), (41, 21136180), (52, 16665065), (65, 13332052), (82, 10568090), (130, 6666026), (164, 5284045), (205, 4227236), (260, 3333013), (410, 2113618), (533, 1625860), (820, 1056809), (1066, 812930), (2132, 406465), (2665, 325172), (5330, 162586), (10660, 81293)]