981234768

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{287921}}^1$

素因数の和:288003

約数の個数: 40

約数和(自身を含む): 2570567616

約数和(自身を除く): 1589332848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 287921, 575842, 863763, 1151684, 1727526, 2303368, 3455052, 4606736, 6910104, 13820208, 20442391, 40884782, 61327173, 81769564, 122654346, 163539128, 245308692, 327078256, 490617384, 981234768]

約数ペア:

[(1, 981234768), (2, 490617384), (3, 327078256), (4, 245308692), (6, 163539128), (8, 122654346), (12, 81769564), (16, 61327173), (24, 40884782), (48, 20442391), (71, 13820208), (142, 6910104), (213, 4606736), (284, 3455052), (426, 2303368), (568, 1727526), (852, 1151684), (1136, 863763), (1704, 575842), (3408, 287921)]