131486308

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 262688832

約数和(自身を除く): 131202524

約数列:

[1, 2, 4, 19, 23, 37, 38, 46, 74, 76, 92, 107, 148, 214, 361, 428, 437, 703, 722, 851, 874, 1406, 1444, 1702, 1748, 2033, 2461, 2812, 3404, 3959, 4066, 4922, 7918, 8132, 8303, 9844, 13357, 15836, 16169, 16606, 26714, 32338, 33212, 38627, 46759, 53428, 64676, 75221, 77254, 91057, 93518, 150442, 154508, 182114, 187036, 300884, 307211, 364228, 614422, 888421, 1228844, 1429199, 1730083, 1776842, 2858398, 3460166, 3553684, 5716796, 6920332, 32871577, 65743154, 131486308]

約数ペア:

[(1, 131486308), (2, 65743154), (4, 32871577), (19, 6920332), (23, 5716796), (37, 3553684), (38, 3460166), (46, 2858398), (74, 1776842), (76, 1730083), (92, 1429199), (107, 1228844), (148, 888421), (214, 614422), (361, 364228), (428, 307211), (437, 300884), (703, 187036), (722, 182114), (851, 154508), (874, 150442), (1406, 93518), (1444, 91057), (1702, 77254), (1748, 75221), (2033, 64676), (2461, 53428), (2812, 46759), (3404, 38627), (3959, 33212), (4066, 32338), (4922, 26714), (7918, 16606), (8132, 16169), (8303, 15836), (9844, 13357)]