278973464

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2149

約数の個数: 96

約数和(自身を含む): 685532160

約数和(自身を除く): 406558696

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 124, 154, 196, 217, 248, 308, 341, 392, 434, 539, 616, 682, 868, 1078, 1364, 1519, 1736, 2087, 2156, 2387, 2728, 3038, 4174, 4312, 4774, 6076, 8348, 9548, 12152, 14609, 16696, 16709, 19096, 22957, 29218, 33418, 45914, 58436, 64697, 66836, 91828, 102263, 116872, 129394, 133672, 160699, 183656, 204526, 258788, 321398, 409052, 452879, 517576, 642796, 711667, 818104, 905758, 1124893, 1285592, 1423334, 1811516, 2249786, 2846668, 3170153, 3623032, 4499572, 4981669, 5693336, 6340306, 8999144, 9963338, 12680612, 19926676, 25361224, 34871683, 39853352, 69743366, 139486732, 278973464]

約数ペア:

[(1, 278973464), (2, 139486732), (4, 69743366), (7, 39853352), (8, 34871683), (11, 25361224), (14, 19926676), (22, 12680612), (28, 9963338), (31, 8999144), (44, 6340306), (49, 5693336), (56, 4981669), (62, 4499572), (77, 3623032), (88, 3170153), (98, 2846668), (124, 2249786), (154, 1811516), (196, 1423334), (217, 1285592), (248, 1124893), (308, 905758), (341, 818104), (392, 711667), (434, 642796), (539, 517576), (616, 452879), (682, 409052), (868, 321398), (1078, 258788), (1364, 204526), (1519, 183656), (1736, 160699), (2087, 133672), (2156, 129394), (2387, 116872), (2728, 102263), (3038, 91828), (4174, 66836), (4312, 64697), (4774, 58436), (6076, 45914), (8348, 33418), (9548, 29218), (12152, 22957), (14609, 19096), (16696, 16709)]