78539728

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1451}}^1$

素因数の和:1675

約数の個数: 40

約数和(自身を含む): 162043200

約数和(自身を除く): 83503472

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 199, 272, 398, 796, 1451, 1592, 2902, 3184, 3383, 5804, 6766, 11608, 13532, 23216, 24667, 27064, 49334, 54128, 98668, 197336, 288749, 394672, 577498, 1154996, 2309992, 4619984, 4908733, 9817466, 19634932, 39269864, 78539728]

約数ペア:

[(1, 78539728), (2, 39269864), (4, 19634932), (8, 9817466), (16, 4908733), (17, 4619984), (34, 2309992), (68, 1154996), (136, 577498), (199, 394672), (272, 288749), (398, 197336), (796, 98668), (1451, 54128), (1592, 49334), (2902, 27064), (3184, 24667), (3383, 23216), (5804, 13532), (6766, 11608)]