1385280208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{929}}^1$

素因数の和:1124

約数の個数: 80

約数和(自身を含む): 2964185280

約数和(自身を除く): 1578905072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 107, 134, 208, 214, 268, 428, 536, 856, 871, 929, 1072, 1391, 1712, 1742, 1858, 2782, 3484, 3716, 5564, 6968, 7169, 7432, 11128, 12077, 13936, 14338, 14864, 22256, 24154, 28676, 48308, 57352, 62243, 93197, 96616, 99403, 114704, 124486, 186394, 193232, 198806, 248972, 372788, 397612, 497944, 745576, 795224, 809159, 995888, 1292239, 1491152, 1590448, 1618318, 2584478, 3236636, 5168956, 6473272, 6660001, 10337912, 12946544, 13320002, 20675824, 26640004, 53280008, 86580013, 106560016, 173160026, 346320052, 692640104, 1385280208]

約数ペア:

[(1, 1385280208), (2, 692640104), (4, 346320052), (8, 173160026), (13, 106560016), (16, 86580013), (26, 53280008), (52, 26640004), (67, 20675824), (104, 13320002), (107, 12946544), (134, 10337912), (208, 6660001), (214, 6473272), (268, 5168956), (428, 3236636), (536, 2584478), (856, 1618318), (871, 1590448), (929, 1491152), (1072, 1292239), (1391, 995888), (1712, 809159), (1742, 795224), (1858, 745576), (2782, 497944), (3484, 397612), (3716, 372788), (5564, 248972), (6968, 198806), (7169, 193232), (7432, 186394), (11128, 124486), (12077, 114704), (13936, 99403), (14338, 96616), (14864, 93197), (22256, 62243), (24154, 57352), (28676, 48308)]