203792005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{491}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 274181760

約数和(自身を除く): 70389755

約数列:

[1, 5, 17, 19, 85, 95, 257, 323, 491, 1285, 1615, 2455, 4369, 4883, 8347, 9329, 21845, 24415, 41735, 46645, 83011, 126187, 158593, 415055, 630935, 792965, 2145179, 2397553, 10725895, 11987765, 40758401, 203792005]

約数ペア:

[(1, 203792005), (5, 40758401), (17, 11987765), (19, 10725895), (85, 2397553), (95, 2145179), (257, 792965), (323, 630935), (491, 415055), (1285, 158593), (1615, 126187), (2455, 83011), (4369, 46645), (4883, 41735), (8347, 24415), (9329, 21845)]