780147256

素因数分解:

$2^3\times 7^1\times {\mathrm{2909}}^1\times {\mathrm{4789}}^1$

素因数の和:7711

約数の個数: 32

約数和(自身を含む): 1672668000

約数和(自身を除く): 892520744

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2909, 4789, 5818, 9578, 11636, 19156, 20363, 23272, 33523, 38312, 40726, 67046, 81452, 134092, 162904, 268184, 13931201, 27862402, 55724804, 97518407, 111449608, 195036814, 390073628, 780147256]

約数ペア:

[(1, 780147256), (2, 390073628), (4, 195036814), (7, 111449608), (8, 97518407), (14, 55724804), (28, 27862402), (56, 13931201), (2909, 268184), (4789, 162904), (5818, 134092), (9578, 81452), (11636, 67046), (19156, 40726), (20363, 38312), (23272, 33523)]