68639744

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{3943}}^1$

素因数の和:3980

約数の個数: 44

約数和(自身を含む): 145320624

約数和(自身を除く): 76680880

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1024, 1088, 2176, 3943, 4352, 7886, 8704, 15772, 17408, 31544, 63088, 67031, 126176, 134062, 252352, 268124, 504704, 536248, 1009408, 1072496, 2018816, 2144992, 4037632, 4289984, 8579968, 17159936, 34319872, 68639744]

約数ペア:

[(1, 68639744), (2, 34319872), (4, 17159936), (8, 8579968), (16, 4289984), (17, 4037632), (32, 2144992), (34, 2018816), (64, 1072496), (68, 1009408), (128, 536248), (136, 504704), (256, 268124), (272, 252352), (512, 134062), (544, 126176), (1024, 67031), (1088, 63088), (2176, 31544), (3943, 17408), (4352, 15772), (7886, 8704)]