391952

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:167

約数の個数: 40

約数和(自身を含む): 883872

約数和(自身を除く): 491920

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 131, 136, 176, 187, 262, 272, 374, 524, 748, 1048, 1441, 1496, 2096, 2227, 2882, 2992, 4454, 5764, 8908, 11528, 17816, 23056, 24497, 35632, 48994, 97988, 195976, 391952]

約数ペア:

[(1, 391952), (2, 195976), (4, 97988), (8, 48994), (11, 35632), (16, 24497), (17, 23056), (22, 17816), (34, 11528), (44, 8908), (68, 5764), (88, 4454), (131, 2992), (136, 2882), (176, 2227), (187, 2096), (262, 1496), (272, 1441), (374, 1048), (524, 748)]