254670416

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15901}}^1$

素因数の和:15940

約数の個数: 80

約数和(自身を含む): 662540928

約数和(自身を除く): 407870512

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 2002, 2288, 4004, 8008, 15901, 16016, 31802, 63604, 111307, 127208, 174911, 206713, 222614, 254416, 349822, 413426, 445228, 699644, 826852, 890456, 1224377, 1399288, 1446991, 1653704, 1780912, 2273843, 2448754, 2798576, 2893982, 3307408, 4547686, 4897508, 5787964, 9095372, 9795016, 11575928, 15916901, 18190744, 19590032, 23151856, 31833802, 36381488, 63667604, 127335208, 254670416]

約数ペア:

[(1, 254670416), (2, 127335208), (4, 63667604), (7, 36381488), (8, 31833802), (11, 23151856), (13, 19590032), (14, 18190744), (16, 15916901), (22, 11575928), (26, 9795016), (28, 9095372), (44, 5787964), (52, 4897508), (56, 4547686), (77, 3307408), (88, 2893982), (91, 2798576), (104, 2448754), (112, 2273843), (143, 1780912), (154, 1653704), (176, 1446991), (182, 1399288), (208, 1224377), (286, 890456), (308, 826852), (364, 699644), (572, 445228), (616, 413426), (728, 349822), (1001, 254416), (1144, 222614), (1232, 206713), (1456, 174911), (2002, 127208), (2288, 111307), (4004, 63604), (8008, 31802), (15901, 16016)]