61507888

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 90

約数和(自身を含む): 138035436

約数和(自身を除く): 76527548

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 43, 46, 52, 86, 92, 104, 169, 172, 184, 208, 299, 338, 344, 368, 529, 559, 598, 676, 688, 989, 1058, 1118, 1196, 1352, 1978, 2116, 2236, 2392, 2704, 3887, 3956, 4232, 4472, 4784, 6877, 7267, 7774, 7912, 8464, 8944, 12857, 13754, 14534, 15548, 15824, 22747, 25714, 27508, 29068, 31096, 45494, 51428, 55016, 58136, 62192, 89401, 90988, 102856, 110032, 116272, 167141, 178802, 181976, 205712, 295711, 334282, 357604, 363952, 591422, 668564, 715208, 1182844, 1337128, 1430416, 2365688, 2674256, 3844243, 4731376, 7688486, 15376972, 30753944, 61507888]

約数ペア:

[(1, 61507888), (2, 30753944), (4, 15376972), (8, 7688486), (13, 4731376), (16, 3844243), (23, 2674256), (26, 2365688), (43, 1430416), (46, 1337128), (52, 1182844), (86, 715208), (92, 668564), (104, 591422), (169, 363952), (172, 357604), (184, 334282), (208, 295711), (299, 205712), (338, 181976), (344, 178802), (368, 167141), (529, 116272), (559, 110032), (598, 102856), (676, 90988), (688, 89401), (989, 62192), (1058, 58136), (1118, 55016), (1196, 51428), (1352, 45494), (1978, 31096), (2116, 29068), (2236, 27508), (2392, 25714), (2704, 22747), (3887, 15824), (3956, 15548), (4232, 14534), (4472, 13754), (4784, 12857), (6877, 8944), (7267, 8464), (7774, 7912)]