61784528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 138647376

約数和(自身を除く): 76862848

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 101, 104, 136, 173, 202, 208, 221, 272, 346, 404, 442, 692, 808, 884, 1313, 1384, 1616, 1717, 1768, 2249, 2626, 2768, 2941, 3434, 3536, 4498, 5252, 5882, 6868, 8996, 10504, 11764, 13736, 17473, 17992, 21008, 22321, 23528, 27472, 34946, 35984, 38233, 44642, 47056, 69892, 76466, 89284, 139784, 152932, 178568, 227149, 279568, 297041, 305864, 357136, 454298, 594082, 611728, 908596, 1188164, 1817192, 2376328, 3634384, 3861533, 4752656, 7723066, 15446132, 30892264, 61784528]

約数ペア:

[(1, 61784528), (2, 30892264), (4, 15446132), (8, 7723066), (13, 4752656), (16, 3861533), (17, 3634384), (26, 2376328), (34, 1817192), (52, 1188164), (68, 908596), (101, 611728), (104, 594082), (136, 454298), (173, 357136), (202, 305864), (208, 297041), (221, 279568), (272, 227149), (346, 178568), (404, 152932), (442, 139784), (692, 89284), (808, 76466), (884, 69892), (1313, 47056), (1384, 44642), (1616, 38233), (1717, 35984), (1768, 34946), (2249, 27472), (2626, 23528), (2768, 22321), (2941, 21008), (3434, 17992), (3536, 17473), (4498, 13736), (5252, 11764), (5882, 10504), (6868, 8996)]