27978972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{839}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 74887680

約数和(自身を除く): 46908708

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 397, 794, 839, 1191, 1588, 1678, 2382, 2517, 2779, 3356, 4764, 5034, 5558, 5873, 8337, 10068, 11116, 11746, 16674, 17619, 23492, 33348, 35238, 70476, 333083, 666166, 999249, 1332332, 1998498, 2331581, 3996996, 4663162, 6994743, 9326324, 13989486, 27978972]

約数ペア:

[(1, 27978972), (2, 13989486), (3, 9326324), (4, 6994743), (6, 4663162), (7, 3996996), (12, 2331581), (14, 1998498), (21, 1332332), (28, 999249), (42, 666166), (84, 333083), (397, 70476), (794, 35238), (839, 33348), (1191, 23492), (1588, 17619), (1678, 16674), (2382, 11746), (2517, 11116), (2779, 10068), (3356, 8337), (4764, 5873), (5034, 5558)]