401024650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{616961}}^1$

素因数の和:616986

約数の個数: 24

約数和(自身を含む): 803284524

約数和(自身を除く): 402259874

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 616961, 1233922, 3084805, 6169610, 8020493, 15424025, 16040986, 30848050, 40102465, 80204930, 200512325, 401024650]

約数ペア:

[(1, 401024650), (2, 200512325), (5, 80204930), (10, 40102465), (13, 30848050), (25, 16040986), (26, 15424025), (50, 8020493), (65, 6169610), (130, 3084805), (325, 1233922), (650, 616961)]