826640654

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{19597}}^1$

素因数の和:19760

約数の個数: 32

約数和(自身を含む): 1490075136

約数和(自身を除く): 663434482

約数列:

[1, 2, 7, 14, 23, 46, 131, 161, 262, 322, 917, 1834, 3013, 6026, 19597, 21091, 39194, 42182, 137179, 274358, 450731, 901462, 2567207, 3155117, 5134414, 6310234, 17970449, 35940898, 59045761, 118091522, 413320327, 826640654]

約数ペア:

[(1, 826640654), (2, 413320327), (7, 118091522), (14, 59045761), (23, 35940898), (46, 17970449), (131, 6310234), (161, 5134414), (262, 3155117), (322, 2567207), (917, 901462), (1834, 450731), (3013, 274358), (6026, 137179), (19597, 42182), (21091, 39194)]