256985389983

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1\times {\mathrm{477073}}^1$

素因数の和:477423

約数の個数: 32

約数和(自身を含む): 396803437056

約数和(自身を除く): 139818047073

約数列:

[1, 3, 7, 21, 113, 227, 339, 681, 791, 1589, 2373, 4767, 25651, 76953, 179557, 477073, 538671, 1431219, 3339511, 10018533, 53909249, 108295571, 161727747, 324886713, 377364743, 758068997, 1132094229, 2274206991, 12237399523, 36712198569, 85661796661, 256985389983]

約数ペア:

[(1, 256985389983), (3, 85661796661), (7, 36712198569), (21, 12237399523), (113, 2274206991), (227, 1132094229), (339, 758068997), (681, 377364743), (791, 324886713), (1589, 161727747), (2373, 108295571), (4767, 53909249), (25651, 10018533), (76953, 3339511), (179557, 1431219), (477073, 538671)]