1576139968

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{145723}}^1$

素因数の和:145761

約数の個数: 42

約数和(自身を含む): 3386771484

約数和(自身を除く): 1810631516

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 2704, 5408, 10816, 145723, 291446, 582892, 1165784, 1894399, 2331568, 3788798, 4663136, 7577596, 9326272, 15155192, 24627187, 30310384, 49254374, 60620768, 98508748, 121241536, 197017496, 394034992, 788069984, 1576139968]

約数ペア:

[(1, 1576139968), (2, 788069984), (4, 394034992), (8, 197017496), (13, 121241536), (16, 98508748), (26, 60620768), (32, 49254374), (52, 30310384), (64, 24627187), (104, 15155192), (169, 9326272), (208, 7577596), (338, 4663136), (416, 3788798), (676, 2331568), (832, 1894399), (1352, 1165784), (2704, 582892), (5408, 291446), (10816, 145723)]