38941721

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 49306824

約数和(自身を除く): 10365103

約数列:

[1, 7, 13, 49, 91, 113, 541, 637, 791, 1469, 3787, 5537, 7033, 10283, 26509, 49231, 61133, 71981, 344617, 427931, 794729, 2995517, 5563103, 38941721]

約数ペア:

[(1, 38941721), (7, 5563103), (13, 2995517), (49, 794729), (91, 427931), (113, 344617), (541, 71981), (637, 61133), (791, 49231), (1469, 26509), (3787, 10283), (5537, 7033)]