17974229

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 32

約数和(自身を含む): 23520000

約数和(自身を除く): 5545771

約数列:

[1, 7, 13, 29, 49, 91, 139, 203, 343, 377, 637, 973, 1421, 1807, 2639, 4031, 4459, 6811, 9947, 12649, 18473, 28217, 47677, 52403, 88543, 129311, 197519, 366821, 619801, 1382633, 2567747, 17974229]

約数ペア:

[(1, 17974229), (7, 2567747), (13, 1382633), (29, 619801), (49, 366821), (91, 197519), (139, 129311), (203, 88543), (343, 52403), (377, 47677), (637, 28217), (973, 18473), (1421, 12649), (1807, 9947), (2639, 6811), (4031, 4459)]