396993812

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{21487}}^1$

素因数の和:21671

約数の個数: 24

約数和(自身を含む): 721996800

約数和(自身を除く): 325002988

約数列:

[1, 2, 4, 31, 62, 124, 149, 298, 596, 4619, 9238, 18476, 21487, 42974, 85948, 666097, 1332194, 2664388, 3201563, 6403126, 12806252, 99248453, 198496906, 396993812]

約数ペア:

[(1, 396993812), (2, 198496906), (4, 99248453), (31, 12806252), (62, 6403126), (124, 3201563), (149, 2664388), (298, 1332194), (596, 666097), (4619, 85948), (9238, 42974), (18476, 21487)]