25606984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12959}}^1$

素因数の和:12997

約数の個数: 32

約数和(自身を含む): 54432000

約数和(自身を除く): 28825016

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 12959, 25918, 51836, 103672, 168467, 246221, 336934, 492442, 673868, 984884, 1347736, 1969768, 3200873, 6401746, 12803492, 25606984]

約数ペア:

[(1, 25606984), (2, 12803492), (4, 6401746), (8, 3200873), (13, 1969768), (19, 1347736), (26, 984884), (38, 673868), (52, 492442), (76, 336934), (104, 246221), (152, 168467), (247, 103672), (494, 51836), (988, 25918), (1976, 12959)]