249406664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 530288640

約数和(自身を除く): 280881976

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 127, 184, 254, 299, 508, 598, 821, 1016, 1196, 1642, 1651, 2392, 2921, 3284, 3302, 5842, 6568, 6604, 10673, 11684, 13208, 18883, 21346, 23368, 37766, 37973, 42692, 75532, 75946, 85384, 104267, 151064, 151892, 208534, 245479, 303784, 417068, 490958, 834136, 981916, 1355471, 1963832, 2398141, 2710942, 4796282, 5421884, 9592564, 10843768, 19185128, 31175833, 62351666, 124703332, 249406664]

約数ペア:

[(1, 249406664), (2, 124703332), (4, 62351666), (8, 31175833), (13, 19185128), (23, 10843768), (26, 9592564), (46, 5421884), (52, 4796282), (92, 2710942), (104, 2398141), (127, 1963832), (184, 1355471), (254, 981916), (299, 834136), (508, 490958), (598, 417068), (821, 303784), (1016, 245479), (1196, 208534), (1642, 151892), (1651, 151064), (2392, 104267), (2921, 85384), (3284, 75946), (3302, 75532), (5842, 42692), (6568, 37973), (6604, 37766), (10673, 23368), (11684, 21346), (13208, 18883)]