128293016

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{379}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 270864000

約数和(自身を除く): 142570984

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 131, 136, 152, 262, 323, 379, 524, 646, 758, 1048, 1292, 1516, 2227, 2489, 2584, 3032, 4454, 4978, 6443, 7201, 8908, 9956, 12886, 14402, 17816, 19912, 25772, 28804, 42313, 49649, 51544, 57608, 84626, 99298, 122417, 169252, 198596, 244834, 338504, 397192, 489668, 844033, 943331, 979336, 1688066, 1886662, 3376132, 3773324, 6752264, 7546648, 16036627, 32073254, 64146508, 128293016]

約数ペア:

[(1, 128293016), (2, 64146508), (4, 32073254), (8, 16036627), (17, 7546648), (19, 6752264), (34, 3773324), (38, 3376132), (68, 1886662), (76, 1688066), (131, 979336), (136, 943331), (152, 844033), (262, 489668), (323, 397192), (379, 338504), (524, 244834), (646, 198596), (758, 169252), (1048, 122417), (1292, 99298), (1516, 84626), (2227, 57608), (2489, 51544), (2584, 49649), (3032, 42313), (4454, 28804), (4978, 25772), (6443, 19912), (7201, 17816), (8908, 14402), (9956, 12886)]