90017395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 120242304

約数和(自身を除く): 30224909

約数列:

[1, 5, 13, 61, 65, 73, 305, 311, 365, 793, 949, 1555, 3965, 4043, 4453, 4745, 18971, 20215, 22265, 22703, 57889, 94855, 113515, 246623, 289445, 295139, 1233115, 1384883, 1475695, 6924415, 18003479, 90017395]

約数ペア:

[(1, 90017395), (5, 18003479), (13, 6924415), (61, 1475695), (65, 1384883), (73, 1233115), (305, 295139), (311, 289445), (365, 246623), (793, 113515), (949, 94855), (1555, 57889), (3965, 22703), (4043, 22265), (4453, 20215), (4745, 18971)]