408996

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{541}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 1214080

約数和(自身を除く): 805084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 541, 756, 1082, 1623, 2164, 3246, 3787, 4869, 6492, 7574, 9738, 11361, 14607, 15148, 19476, 22722, 29214, 34083, 45444, 58428, 68166, 102249, 136332, 204498, 408996]

約数ペア:

[(1, 408996), (2, 204498), (3, 136332), (4, 102249), (6, 68166), (7, 58428), (9, 45444), (12, 34083), (14, 29214), (18, 22722), (21, 19476), (27, 15148), (28, 14607), (36, 11361), (42, 9738), (54, 7574), (63, 6492), (84, 4869), (108, 3787), (126, 3246), (189, 2164), (252, 1623), (378, 1082), (541, 756)]