215481188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1409}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 432779760

約数和(自身を除く): 217298572

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 173, 221, 346, 442, 692, 884, 1409, 2249, 2818, 2941, 4498, 5636, 5882, 8996, 11764, 18317, 23953, 36634, 38233, 47906, 73268, 76466, 95812, 152932, 243757, 311389, 487514, 622778, 975028, 1245556, 3168841, 4143869, 6337682, 8287738, 12675364, 16575476, 53870297, 107740594, 215481188]

約数ペア:

[(1, 215481188), (2, 107740594), (4, 53870297), (13, 16575476), (17, 12675364), (26, 8287738), (34, 6337682), (52, 4143869), (68, 3168841), (173, 1245556), (221, 975028), (346, 622778), (442, 487514), (692, 311389), (884, 243757), (1409, 152932), (2249, 95812), (2818, 76466), (2941, 73268), (4498, 47906), (5636, 38233), (5882, 36634), (8996, 23953), (11764, 18317)]