258691888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1399}}^1$

素因数の和:1554

約数の個数: 80

約数和(自身を含む): 622182400

約数和(自身を除く): 363490512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 127, 182, 208, 254, 364, 508, 728, 889, 1016, 1399, 1456, 1651, 1778, 2032, 2798, 3302, 3556, 5596, 6604, 7112, 9793, 11192, 11557, 13208, 14224, 18187, 19586, 22384, 23114, 26416, 36374, 39172, 46228, 72748, 78344, 92456, 127309, 145496, 156688, 177673, 184912, 254618, 290992, 355346, 509236, 710692, 1018472, 1243711, 1421384, 2036944, 2309749, 2487422, 2842768, 4619498, 4974844, 9238996, 9949688, 16168243, 18477992, 19899376, 32336486, 36955984, 64672972, 129345944, 258691888]

約数ペア:

[(1, 258691888), (2, 129345944), (4, 64672972), (7, 36955984), (8, 32336486), (13, 19899376), (14, 18477992), (16, 16168243), (26, 9949688), (28, 9238996), (52, 4974844), (56, 4619498), (91, 2842768), (104, 2487422), (112, 2309749), (127, 2036944), (182, 1421384), (208, 1243711), (254, 1018472), (364, 710692), (508, 509236), (728, 355346), (889, 290992), (1016, 254618), (1399, 184912), (1456, 177673), (1651, 156688), (1778, 145496), (2032, 127309), (2798, 92456), (3302, 78344), (3556, 72748), (5596, 46228), (6604, 39172), (7112, 36374), (9793, 26416), (11192, 23114), (11557, 22384), (13208, 19586), (14224, 18187)]