81855376

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2089}}^1$

素因数の和:2207

約数の個数: 40

約数和(自身を含む): 165862400

約数和(自身を除く): 84007024

約数列:

[1, 2, 4, 8, 16, 31, 62, 79, 124, 158, 248, 316, 496, 632, 1264, 2089, 2449, 4178, 4898, 8356, 9796, 16712, 19592, 33424, 39184, 64759, 129518, 165031, 259036, 330062, 518072, 660124, 1036144, 1320248, 2640496, 5115961, 10231922, 20463844, 40927688, 81855376]

約数ペア:

[(1, 81855376), (2, 40927688), (4, 20463844), (8, 10231922), (16, 5115961), (31, 2640496), (62, 1320248), (79, 1036144), (124, 660124), (158, 518072), (248, 330062), (316, 259036), (496, 165031), (632, 129518), (1264, 64759), (2089, 39184), (2449, 33424), (4178, 19592), (4898, 16712), (8356, 9796)]