388525844

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{4049}}^1$

素因数の和:4232

約数の個数: 48

約数和(自身を含む): 816480000

約数和(自身を除く): 427954156

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 149, 161, 298, 322, 596, 644, 1043, 2086, 3427, 4049, 4172, 6854, 8098, 13708, 16196, 23989, 28343, 47978, 56686, 93127, 95956, 113372, 186254, 372508, 603301, 651889, 1206602, 1303778, 2413204, 2607556, 4223107, 8446214, 13875923, 16892428, 27751846, 55503692, 97131461, 194262922, 388525844]

約数ペア:

[(1, 388525844), (2, 194262922), (4, 97131461), (7, 55503692), (14, 27751846), (23, 16892428), (28, 13875923), (46, 8446214), (92, 4223107), (149, 2607556), (161, 2413204), (298, 1303778), (322, 1206602), (596, 651889), (644, 603301), (1043, 372508), (2086, 186254), (3427, 113372), (4049, 95956), (4172, 93127), (6854, 56686), (8098, 47978), (13708, 28343), (16196, 23989)]