313618568

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{20731}}^1$

素因数の和:20829

約数の個数: 32

約数和(自身を含む): 616984320

約数和(自身を除く): 303365752

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1891, 3782, 7564, 15128, 20731, 41462, 82924, 165848, 642661, 1264591, 1285322, 2529182, 2570644, 5058364, 5141288, 10116728, 39202321, 78404642, 156809284, 313618568]

約数ペア:

[(1, 313618568), (2, 156809284), (4, 78404642), (8, 39202321), (31, 10116728), (61, 5141288), (62, 5058364), (122, 2570644), (124, 2529182), (244, 1285322), (248, 1264591), (488, 642661), (1891, 165848), (3782, 82924), (7564, 41462), (15128, 20731)]