78440968

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 157116780

約数和(自身を除く): 78675812

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 157, 173, 314, 346, 361, 628, 692, 722, 1256, 1384, 1444, 2888, 2983, 3287, 5966, 6574, 11932, 13148, 23864, 26296, 27161, 54322, 56677, 62453, 108644, 113354, 124906, 217288, 226708, 249812, 453416, 499624, 516059, 1032118, 2064236, 4128472, 9805121, 19610242, 39220484, 78440968]

約数ペア:

[(1, 78440968), (2, 39220484), (4, 19610242), (8, 9805121), (19, 4128472), (38, 2064236), (76, 1032118), (152, 516059), (157, 499624), (173, 453416), (314, 249812), (346, 226708), (361, 217288), (628, 124906), (692, 113354), (722, 108644), (1256, 62453), (1384, 56677), (1444, 54322), (2888, 27161), (2983, 26296), (3287, 23864), (5966, 13148), (6574, 11932)]