2121971566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{390499}}^1$

素因数の和:390544

約数の個数: 32

約数和(自身を含む): 3936240000

約数和(自身を除く): 1814268434

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 5434, 390499, 780998, 4295489, 5076487, 7419481, 8590978, 10152974, 14838962, 55841357, 81614291, 96453253, 111682714, 163228582, 192906506, 1060985783, 2121971566]

約数ペア:

[(1, 2121971566), (2, 1060985783), (11, 192906506), (13, 163228582), (19, 111682714), (22, 96453253), (26, 81614291), (38, 55841357), (143, 14838962), (209, 10152974), (247, 8590978), (286, 7419481), (418, 5076487), (494, 4295489), (2717, 780998), (5434, 390499)]