51213968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12959}}^1$

素因数の和:12999

約数の個数: 40

約数和(自身を含む): 112492800

約数和(自身を除く): 61278832

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 12959, 25918, 51836, 103672, 168467, 207344, 246221, 336934, 492442, 673868, 984884, 1347736, 1969768, 2695472, 3200873, 3939536, 6401746, 12803492, 25606984, 51213968]

約数ペア:

[(1, 51213968), (2, 25606984), (4, 12803492), (8, 6401746), (13, 3939536), (16, 3200873), (19, 2695472), (26, 1969768), (38, 1347736), (52, 984884), (76, 673868), (104, 492442), (152, 336934), (208, 246221), (247, 207344), (304, 168467), (494, 103672), (988, 51836), (1976, 25918), (3952, 12959)]