4640844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 11854080

約数和(自身を除く): 7213236

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 419, 426, 838, 852, 923, 1257, 1676, 1846, 2514, 2769, 3692, 5028, 5447, 5538, 10894, 11076, 16341, 21788, 29749, 32682, 59498, 65364, 89247, 118996, 178494, 356988, 386737, 773474, 1160211, 1546948, 2320422, 4640844]

約数ペア:

[(1, 4640844), (2, 2320422), (3, 1546948), (4, 1160211), (6, 773474), (12, 386737), (13, 356988), (26, 178494), (39, 118996), (52, 89247), (71, 65364), (78, 59498), (142, 32682), (156, 29749), (213, 21788), (284, 16341), (419, 11076), (426, 10894), (838, 5538), (852, 5447), (923, 5028), (1257, 3692), (1676, 2769), (1846, 2514)]