81675672

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^3\times {\mathrm{1549}}^1$

素因数の和:1597

約数の個数: 64

約数和(自身を含む): 221340000

約数和(自身を除く): 139664328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 507, 676, 1014, 1352, 1549, 2028, 2197, 3098, 4056, 4394, 4647, 6196, 6591, 8788, 9294, 12392, 13182, 17576, 18588, 20137, 26364, 37176, 40274, 52728, 60411, 80548, 120822, 161096, 241644, 261781, 483288, 523562, 785343, 1047124, 1570686, 2094248, 3141372, 3403153, 6282744, 6806306, 10209459, 13612612, 20418918, 27225224, 40837836, 81675672]

約数ペア:

[(1, 81675672), (2, 40837836), (3, 27225224), (4, 20418918), (6, 13612612), (8, 10209459), (12, 6806306), (13, 6282744), (24, 3403153), (26, 3141372), (39, 2094248), (52, 1570686), (78, 1047124), (104, 785343), (156, 523562), (169, 483288), (312, 261781), (338, 241644), (507, 161096), (676, 120822), (1014, 80548), (1352, 60411), (1549, 52728), (2028, 40274), (2197, 37176), (3098, 26364), (4056, 20137), (4394, 18588), (4647, 17576), (6196, 13182), (6591, 12392), (8788, 9294)]