81260176

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{947}}^1$

素因数の和:1159

約数の個数: 40

約数和(自身を含む): 163632384

約数和(自身を除く): 82372208

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 173, 248, 346, 496, 692, 947, 1384, 1894, 2768, 3788, 5363, 7576, 10726, 15152, 21452, 29357, 42904, 58714, 85808, 117428, 163831, 234856, 327662, 469712, 655324, 1310648, 2621296, 5078761, 10157522, 20315044, 40630088, 81260176]

約数ペア:

[(1, 81260176), (2, 40630088), (4, 20315044), (8, 10157522), (16, 5078761), (31, 2621296), (62, 1310648), (124, 655324), (173, 469712), (248, 327662), (346, 234856), (496, 163831), (692, 117428), (947, 85808), (1384, 58714), (1894, 42904), (2768, 29357), (3788, 21452), (5363, 15152), (7576, 10726)]