628521790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1489}}^1$

素因数の和:1717

約数の個数: 64

約数和(自身を含む): 1297658880

約数和(自身を除く): 669137090

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 191, 221, 382, 442, 955, 1105, 1489, 1910, 2210, 2483, 2978, 3247, 4966, 6494, 7445, 12415, 14890, 16235, 19357, 24830, 25313, 32470, 38714, 42211, 50626, 84422, 96785, 126565, 193570, 211055, 253130, 284399, 329069, 422110, 568798, 658138, 1421995, 1645345, 2843990, 3290690, 3697187, 4834783, 7394374, 9669566, 18485935, 24173915, 36971870, 48347830, 62852179, 125704358, 314260895, 628521790]

約数ペア:

[(1, 628521790), (2, 314260895), (5, 125704358), (10, 62852179), (13, 48347830), (17, 36971870), (26, 24173915), (34, 18485935), (65, 9669566), (85, 7394374), (130, 4834783), (170, 3697187), (191, 3290690), (221, 2843990), (382, 1645345), (442, 1421995), (955, 658138), (1105, 568798), (1489, 422110), (1910, 329069), (2210, 284399), (2483, 253130), (2978, 211055), (3247, 193570), (4966, 126565), (6494, 96785), (7445, 84422), (12415, 50626), (14890, 42211), (16235, 38714), (19357, 32470), (24830, 25313)]