131308436

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{21611}}^1$

素因数の和:21660

約数の個数: 36

約数和(自身を含む): 275942016

約数和(自身を除く): 144633580

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 21611, 43222, 86444, 151277, 302554, 605108, 669941, 1058939, 1339882, 2117878, 2679764, 4235756, 4689587, 9379174, 18758348, 32827109, 65654218, 131308436]

約数ペア:

[(1, 131308436), (2, 65654218), (4, 32827109), (7, 18758348), (14, 9379174), (28, 4689587), (31, 4235756), (49, 2679764), (62, 2117878), (98, 1339882), (124, 1058939), (196, 669941), (217, 605108), (434, 302554), (868, 151277), (1519, 86444), (3038, 43222), (6076, 21611)]