129881492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2797}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 263235840

約数和(自身を除く): 133354348

約数列:

[1, 2, 4, 13, 19, 26, 38, 47, 52, 76, 94, 188, 247, 494, 611, 893, 988, 1222, 1786, 2444, 2797, 3572, 5594, 11188, 11609, 23218, 36361, 46436, 53143, 72722, 106286, 131459, 145444, 212572, 262918, 525836, 690859, 1381718, 1708967, 2497721, 2763436, 3417934, 4995442, 6835868, 9990884, 32470373, 64940746, 129881492]

約数ペア:

[(1, 129881492), (2, 64940746), (4, 32470373), (13, 9990884), (19, 6835868), (26, 4995442), (38, 3417934), (47, 2763436), (52, 2497721), (76, 1708967), (94, 1381718), (188, 690859), (247, 525836), (494, 262918), (611, 212572), (893, 145444), (988, 131459), (1222, 106286), (1786, 72722), (2444, 53143), (2797, 46436), (3572, 36361), (5594, 23218), (11188, 11609)]