211098916

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 429924096

約数和(自身を除く): 218825180

約数列:

[1, 2, 4, 7, 14, 28, 113, 137, 226, 274, 452, 487, 548, 791, 959, 974, 1582, 1918, 1948, 3164, 3409, 3836, 6818, 13636, 15481, 30962, 55031, 61924, 66719, 108367, 110062, 133438, 216734, 220124, 266876, 385217, 433468, 467033, 770434, 934066, 1540868, 1868132, 7539247, 15078494, 30156988, 52774729, 105549458, 211098916]

約数ペア:

[(1, 211098916), (2, 105549458), (4, 52774729), (7, 30156988), (14, 15078494), (28, 7539247), (113, 1868132), (137, 1540868), (226, 934066), (274, 770434), (452, 467033), (487, 433468), (548, 385217), (791, 266876), (959, 220124), (974, 216734), (1582, 133438), (1918, 110062), (1948, 108367), (3164, 66719), (3409, 61924), (3836, 55031), (6818, 30962), (13636, 15481)]