31983912

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{3391}}^1$

素因数の和:3534

約数の個数: 48

約数和(自身を含む): 87310080

約数和(自身を除く): 55326168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 3391, 4716, 6782, 9432, 10173, 13564, 20346, 27128, 30519, 40692, 61038, 81384, 122076, 244152, 444221, 888442, 1332663, 1776884, 2665326, 3553768, 3997989, 5330652, 7995978, 10661304, 15991956, 31983912]

約数ペア:

[(1, 31983912), (2, 15991956), (3, 10661304), (4, 7995978), (6, 5330652), (8, 3997989), (9, 3553768), (12, 2665326), (18, 1776884), (24, 1332663), (36, 888442), (72, 444221), (131, 244152), (262, 122076), (393, 81384), (524, 61038), (786, 40692), (1048, 30519), (1179, 27128), (1572, 20346), (2358, 13564), (3144, 10173), (3391, 9432), (4716, 6782)]