890707928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{3943}}^1$

素因数の和:4128

約数の個数: 64

約数和(自身を含む): 1942341120

約数和(自身を除く): 1051633192

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 151, 187, 302, 374, 604, 748, 1208, 1496, 1661, 2567, 3322, 3943, 5134, 6644, 7886, 10268, 13288, 15772, 20536, 28237, 31544, 43373, 56474, 67031, 86746, 112948, 134062, 173492, 225896, 268124, 346984, 536248, 595393, 737341, 1190786, 1474682, 2381572, 2949364, 4763144, 5898728, 6549323, 10121681, 13098646, 20243362, 26197292, 40486724, 52394584, 80973448, 111338491, 222676982, 445353964, 890707928]

約数ペア:

[(1, 890707928), (2, 445353964), (4, 222676982), (8, 111338491), (11, 80973448), (17, 52394584), (22, 40486724), (34, 26197292), (44, 20243362), (68, 13098646), (88, 10121681), (136, 6549323), (151, 5898728), (187, 4763144), (302, 2949364), (374, 2381572), (604, 1474682), (748, 1190786), (1208, 737341), (1496, 595393), (1661, 536248), (2567, 346984), (3322, 268124), (3943, 225896), (5134, 173492), (6644, 134062), (7886, 112948), (10268, 86746), (13288, 67031), (15772, 56474), (20536, 43373), (28237, 31544)]