66698515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 90316800

約数和(自身を除く): 23618285

約数列:

[1, 5, 13, 31, 65, 79, 155, 395, 403, 419, 1027, 2015, 2095, 2449, 5135, 5447, 12245, 12989, 27235, 31837, 33101, 64945, 159185, 165505, 168857, 430313, 844285, 1026131, 2151565, 5130655, 13339703, 66698515]

約数ペア:

[(1, 66698515), (5, 13339703), (13, 5130655), (31, 2151565), (65, 1026131), (79, 844285), (155, 430313), (395, 168857), (403, 165505), (419, 159185), (1027, 64945), (2015, 33101), (2095, 31837), (2449, 27235), (5135, 12989), (5447, 12245)]