28656888

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1733}}^1$

素因数の和:1808

約数の個数: 64

約数和(自身を含む): 78654240

約数和(自身を除く): 49997352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 156, 159, 212, 312, 318, 424, 636, 689, 1272, 1378, 1733, 2067, 2756, 3466, 4134, 5199, 5512, 6932, 8268, 10398, 13864, 16536, 20796, 22529, 41592, 45058, 67587, 90116, 91849, 135174, 180232, 183698, 270348, 275547, 367396, 540696, 551094, 734792, 1102188, 1194037, 2204376, 2388074, 3582111, 4776148, 7164222, 9552296, 14328444, 28656888]

約数ペア:

[(1, 28656888), (2, 14328444), (3, 9552296), (4, 7164222), (6, 4776148), (8, 3582111), (12, 2388074), (13, 2204376), (24, 1194037), (26, 1102188), (39, 734792), (52, 551094), (53, 540696), (78, 367396), (104, 275547), (106, 270348), (156, 183698), (159, 180232), (212, 135174), (312, 91849), (318, 90116), (424, 67587), (636, 45058), (689, 41592), (1272, 22529), (1378, 20796), (1733, 16536), (2067, 13864), (2756, 10398), (3466, 8268), (4134, 6932), (5199, 5512)]