8989884

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 24024000

約数和(自身を除く): 15034116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 79, 87, 109, 116, 158, 174, 218, 237, 261, 316, 327, 348, 436, 474, 522, 654, 711, 948, 981, 1044, 1308, 1422, 1962, 2291, 2844, 3161, 3924, 4582, 6322, 6873, 8611, 9164, 9483, 12644, 13746, 17222, 18966, 20619, 25833, 27492, 28449, 34444, 37932, 41238, 51666, 56898, 77499, 82476, 103332, 113796, 154998, 249719, 309996, 499438, 749157, 998876, 1498314, 2247471, 2996628, 4494942, 8989884]

約数ペア:

[(1, 8989884), (2, 4494942), (3, 2996628), (4, 2247471), (6, 1498314), (9, 998876), (12, 749157), (18, 499438), (29, 309996), (36, 249719), (58, 154998), (79, 113796), (87, 103332), (109, 82476), (116, 77499), (158, 56898), (174, 51666), (218, 41238), (237, 37932), (261, 34444), (316, 28449), (327, 27492), (348, 25833), (436, 20619), (474, 18966), (522, 17222), (654, 13746), (711, 12644), (948, 9483), (981, 9164), (1044, 8611), (1308, 6873), (1422, 6322), (1962, 4582), (2291, 3924), (2844, 3161)]