201123207905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1\times {\mathrm{30781}}^1$

素因数の和:31545

約数の個数: 32

約数和(自身を含む): 256795756800

約数和(自身を除く): 55672548895

約数列:

[1, 5, 19, 95, 109, 545, 631, 2071, 3155, 10355, 11989, 30781, 59945, 68779, 153905, 343895, 584839, 1306801, 2924195, 3355129, 6534005, 16775645, 19422811, 63747451, 97114055, 318737255, 369033409, 1845167045, 2117086399, 10585431995, 40224641581, 201123207905]

約数ペア:

[(1, 201123207905), (5, 40224641581), (19, 10585431995), (95, 2117086399), (109, 1845167045), (545, 369033409), (631, 318737255), (2071, 97114055), (3155, 63747451), (10355, 19422811), (11989, 16775645), (30781, 6534005), (59945, 3355129), (68779, 2924195), (153905, 1306801), (343895, 584839)]