31379986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 53121600

約数和(自身を除く): 21741614

約数列:

[1, 2, 11, 22, 61, 67, 122, 134, 349, 671, 698, 737, 1342, 1474, 3839, 4087, 7678, 8174, 21289, 23383, 42578, 44957, 46766, 89914, 234179, 257213, 468358, 514426, 1426363, 2852726, 15689993, 31379986]

約数ペア:

[(1, 31379986), (2, 15689993), (11, 2852726), (22, 1426363), (61, 514426), (67, 468358), (122, 257213), (134, 234179), (349, 89914), (671, 46766), (698, 44957), (737, 42578), (1342, 23383), (1474, 21289), (3839, 8174), (4087, 7678)]