64674688

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{38867}}^1$

素因数の和:38894

約数の個数: 32

約数和(自身を含む): 138758760

約数和(自身を除く): 74084072

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 38867, 77734, 155468, 310936, 505271, 621872, 1010542, 1243744, 2021084, 2487488, 4042168, 4974976, 8084336, 16168672, 32337344, 64674688]

約数ペア:

[(1, 64674688), (2, 32337344), (4, 16168672), (8, 8084336), (13, 4974976), (16, 4042168), (26, 2487488), (32, 2021084), (52, 1243744), (64, 1010542), (104, 621872), (128, 505271), (208, 310936), (416, 155468), (832, 77734), (1664, 38867)]