90887836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 178096576

約数和(自身を除く): 87208740

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 97, 148, 194, 388, 481, 487, 962, 974, 1261, 1924, 1948, 2522, 3589, 5044, 6331, 7178, 12662, 14356, 18019, 25324, 36038, 46657, 47239, 72076, 93314, 94478, 186628, 188956, 234247, 468494, 614107, 936988, 1228214, 1747843, 2456428, 3495686, 6991372, 22721959, 45443918, 90887836]

約数ペア:

[(1, 90887836), (2, 45443918), (4, 22721959), (13, 6991372), (26, 3495686), (37, 2456428), (52, 1747843), (74, 1228214), (97, 936988), (148, 614107), (194, 468494), (388, 234247), (481, 188956), (487, 186628), (962, 94478), (974, 93314), (1261, 72076), (1924, 47239), (1948, 46657), (2522, 36038), (3589, 25324), (5044, 18019), (6331, 14356), (7178, 12662)]