488662278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{647}}^1$

素因数の和:1109

約数の個数: 64

約数和(自身を含む): 1102574592

約数和(自身を除く): 613912314

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 421, 598, 647, 842, 897, 1263, 1294, 1794, 1941, 2526, 3882, 5473, 8411, 9683, 10946, 14881, 16419, 16822, 19366, 25233, 29049, 29762, 32838, 44643, 50466, 58098, 89286, 125879, 193453, 251758, 272387, 377637, 386906, 544774, 580359, 755274, 817161, 1160718, 1634322, 3541031, 6264901, 7082062, 10623093, 12529802, 18794703, 21246186, 37589406, 81443713, 162887426, 244331139, 488662278]

約数ペア:

[(1, 488662278), (2, 244331139), (3, 162887426), (6, 81443713), (13, 37589406), (23, 21246186), (26, 18794703), (39, 12529802), (46, 10623093), (69, 7082062), (78, 6264901), (138, 3541031), (299, 1634322), (421, 1160718), (598, 817161), (647, 755274), (842, 580359), (897, 544774), (1263, 386906), (1294, 377637), (1794, 272387), (1941, 251758), (2526, 193453), (3882, 125879), (5473, 89286), (8411, 58098), (9683, 50466), (10946, 44643), (14881, 32838), (16419, 29762), (16822, 29049), (19366, 25233)]