256717894318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{1523}}^1\times {\mathrm{19541}}^1$

素因数の和:21312

約数の個数: 32

約数和(自身を含む): 407417869440

約数和(自身を除く): 150699975122

約数列:

[1, 2, 19, 38, 227, 454, 1523, 3046, 4313, 8626, 19541, 28937, 39082, 57874, 345721, 371279, 691442, 742558, 4435807, 6568699, 8871614, 13137398, 29760943, 59521886, 84280333, 168560666, 565457917, 1130915834, 6755734061, 13511468122, 128358947159, 256717894318]

約数ペア:

[(1, 256717894318), (2, 128358947159), (19, 13511468122), (38, 6755734061), (227, 1130915834), (454, 565457917), (1523, 168560666), (3046, 84280333), (4313, 59521886), (8626, 29760943), (19541, 13137398), (28937, 8871614), (39082, 6568699), (57874, 4435807), (345721, 742558), (371279, 691442)]