28989896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:918

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 36328504

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 221, 247, 323, 442, 494, 646, 863, 884, 988, 1292, 1726, 1768, 1976, 2584, 3452, 4199, 6904, 8398, 11219, 14671, 16397, 16796, 22438, 29342, 32794, 33592, 44876, 58684, 65588, 89752, 117368, 131176, 190723, 213161, 278749, 381446, 426322, 557498, 762892, 852644, 1114996, 1525784, 1705288, 2229992, 3623737, 7247474, 14494948, 28989896]

約数ペア:

[(1, 28989896), (2, 14494948), (4, 7247474), (8, 3623737), (13, 2229992), (17, 1705288), (19, 1525784), (26, 1114996), (34, 852644), (38, 762892), (52, 557498), (68, 426322), (76, 381446), (104, 278749), (136, 213161), (152, 190723), (221, 131176), (247, 117368), (323, 89752), (442, 65588), (494, 58684), (646, 44876), (863, 33592), (884, 32794), (988, 29342), (1292, 22438), (1726, 16796), (1768, 16397), (1976, 14671), (2584, 11219), (3452, 8398), (4199, 6904)]