123240728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{6547}}^1$

素因数の和:6747

約数の個数: 32

約数和(自身を含む): 250264560

約数和(自身を除く): 127023832

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1448, 2353, 4706, 6547, 9412, 13094, 18824, 26188, 52376, 85111, 170222, 340444, 680888, 1185007, 2370014, 4740028, 9480056, 15405091, 30810182, 61620364, 123240728]

約数ペア:

[(1, 123240728), (2, 61620364), (4, 30810182), (8, 15405091), (13, 9480056), (26, 4740028), (52, 2370014), (104, 1185007), (181, 680888), (362, 340444), (724, 170222), (1448, 85111), (2353, 52376), (4706, 26188), (6547, 18824), (9412, 13094)]