257366516

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 514805760

約数和(自身を除く): 257439244

約数列:

[1, 2, 4, 11, 22, 44, 53, 79, 106, 121, 127, 158, 212, 242, 254, 316, 484, 508, 583, 869, 1166, 1397, 1738, 2332, 2794, 3476, 4187, 5588, 6413, 6731, 8374, 9559, 10033, 12826, 13462, 15367, 16748, 19118, 20066, 25652, 26924, 30734, 38236, 40132, 46057, 61468, 74041, 92114, 110363, 148082, 184228, 220726, 296164, 441452, 506627, 531749, 814451, 1013254, 1063498, 1213993, 1628902, 2026508, 2126996, 2427986, 3257804, 4855972, 5849239, 11698478, 23396956, 64341629, 128683258, 257366516]

約数ペア:

[(1, 257366516), (2, 128683258), (4, 64341629), (11, 23396956), (22, 11698478), (44, 5849239), (53, 4855972), (79, 3257804), (106, 2427986), (121, 2126996), (127, 2026508), (158, 1628902), (212, 1213993), (242, 1063498), (254, 1013254), (316, 814451), (484, 531749), (508, 506627), (583, 441452), (869, 296164), (1166, 220726), (1397, 184228), (1738, 148082), (2332, 110363), (2794, 92114), (3476, 74041), (4187, 61468), (5588, 46057), (6413, 40132), (6731, 38236), (8374, 30734), (9559, 26924), (10033, 25652), (12826, 20066), (13462, 19118), (15367, 16748)]