12199408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:769

約数の個数: 40

約数和(自身を含む): 25779600

約数和(自身を除く): 13580192

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 659, 712, 1157, 1318, 1424, 2314, 2636, 4628, 5272, 8567, 9256, 10544, 17134, 18512, 34268, 58651, 68536, 117302, 137072, 234604, 469208, 762463, 938416, 1524926, 3049852, 6099704, 12199408]

約数ペア:

[(1, 12199408), (2, 6099704), (4, 3049852), (8, 1524926), (13, 938416), (16, 762463), (26, 469208), (52, 234604), (89, 137072), (104, 117302), (178, 68536), (208, 58651), (356, 34268), (659, 18512), (712, 17134), (1157, 10544), (1318, 9256), (1424, 8567), (2314, 5272), (2636, 4628)]