1209486590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{887}}^1$

素因数の和:1541

約数の個数: 64

約数和(自身を含む): 2489284224

約数和(自身を除く): 1279797634

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 617, 887, 1105, 1234, 1774, 2210, 3085, 4435, 6170, 8021, 8870, 10489, 11531, 15079, 16042, 20978, 23062, 30158, 40105, 52445, 57655, 75395, 80210, 104890, 115310, 136357, 150790, 196027, 272714, 392054, 547279, 681785, 980135, 1094558, 1363570, 1960270, 2736395, 5472790, 7114627, 9303743, 14229254, 18607486, 35573135, 46518715, 71146270, 93037430, 120948659, 241897318, 604743295, 1209486590]

約数ペア:

[(1, 1209486590), (2, 604743295), (5, 241897318), (10, 120948659), (13, 93037430), (17, 71146270), (26, 46518715), (34, 35573135), (65, 18607486), (85, 14229254), (130, 9303743), (170, 7114627), (221, 5472790), (442, 2736395), (617, 1960270), (887, 1363570), (1105, 1094558), (1234, 980135), (1774, 681785), (2210, 547279), (3085, 392054), (4435, 272714), (6170, 196027), (8021, 150790), (8870, 136357), (10489, 115310), (11531, 104890), (15079, 80210), (16042, 75395), (20978, 57655), (23062, 52445), (30158, 40105)]