38402065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1511}}^1$

素因数の和:1569

約数の個数: 32

約数和(自身を含む): 54867456

約数和(自身を除く): 16465391

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1511, 1955, 5083, 7555, 19643, 25415, 25687, 34753, 98215, 128435, 173765, 333931, 451789, 590801, 1669655, 2258945, 2954005, 7680413, 38402065]

約数ペア:

[(1, 38402065), (5, 7680413), (13, 2954005), (17, 2258945), (23, 1669655), (65, 590801), (85, 451789), (115, 333931), (221, 173765), (299, 128435), (391, 98215), (1105, 34753), (1495, 25687), (1511, 25415), (1955, 19643), (5083, 7555)]