287144816

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{433}}^1$

素因数の和:670

約数の個数: 80

約数和(自身を含む): 661291008

約数和(自身を除く): 374146192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 191, 217, 248, 382, 433, 434, 496, 764, 866, 868, 1337, 1528, 1732, 1736, 2674, 3031, 3056, 3464, 3472, 5348, 5921, 6062, 6928, 10696, 11842, 12124, 13423, 21392, 23684, 24248, 26846, 41447, 47368, 48496, 53692, 82703, 82894, 93961, 94736, 107384, 165406, 165788, 187922, 214768, 330812, 331576, 375844, 578921, 661624, 663152, 751688, 1157842, 1323248, 1503376, 2315684, 2563793, 4631368, 5127586, 9262736, 10255172, 17946551, 20510344, 35893102, 41020688, 71786204, 143572408, 287144816]

約数ペア:

[(1, 287144816), (2, 143572408), (4, 71786204), (7, 41020688), (8, 35893102), (14, 20510344), (16, 17946551), (28, 10255172), (31, 9262736), (56, 5127586), (62, 4631368), (112, 2563793), (124, 2315684), (191, 1503376), (217, 1323248), (248, 1157842), (382, 751688), (433, 663152), (434, 661624), (496, 578921), (764, 375844), (866, 331576), (868, 330812), (1337, 214768), (1528, 187922), (1732, 165788), (1736, 165406), (2674, 107384), (3031, 94736), (3056, 93961), (3464, 82894), (3472, 82703), (5348, 53692), (5921, 48496), (6062, 47368), (6928, 41447), (10696, 26846), (11842, 24248), (12124, 23684), (13423, 21392)]