490147216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{6791}}^1$

素因数の和:7159

約数の個数: 40

約数和(自身を含む): 1025809344

約数和(自身を除く): 535662128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 347, 694, 1388, 2776, 4511, 5552, 6791, 9022, 13582, 18044, 27164, 36088, 54328, 72176, 88283, 108656, 176566, 353132, 706264, 1412528, 2356477, 4712954, 9425908, 18851816, 30634201, 37703632, 61268402, 122536804, 245073608, 490147216]

約数ペア:

[(1, 490147216), (2, 245073608), (4, 122536804), (8, 61268402), (13, 37703632), (16, 30634201), (26, 18851816), (52, 9425908), (104, 4712954), (208, 2356477), (347, 1412528), (694, 706264), (1388, 353132), (2776, 176566), (4511, 108656), (5552, 88283), (6791, 72176), (9022, 54328), (13582, 36088), (18044, 27164)]