1276115984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{557743}}^1$

素因数の和:557775

約数の個数: 40

約数和(自身を含む): 2904730752

約数和(自身を除く): 1628614768

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 557743, 1115486, 2230972, 4461944, 6135173, 7250659, 8923888, 12270346, 14501318, 24540692, 29002636, 49081384, 58005272, 79757249, 98162768, 116010544, 159514498, 319028996, 638057992, 1276115984]

約数ペア:

[(1, 1276115984), (2, 638057992), (4, 319028996), (8, 159514498), (11, 116010544), (13, 98162768), (16, 79757249), (22, 58005272), (26, 49081384), (44, 29002636), (52, 24540692), (88, 14501318), (104, 12270346), (143, 8923888), (176, 7250659), (208, 6135173), (286, 4461944), (572, 2230972), (1144, 1115486), (2288, 557743)]