81931164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{5449}}^1$

素因数の和:5642

約数の個数: 48

約数和(自身を含む): 219744000

約数和(自身を除く): 137812836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 179, 358, 537, 716, 1074, 1253, 2148, 2506, 3759, 5012, 5449, 7518, 10898, 15036, 16347, 21796, 32694, 38143, 65388, 76286, 114429, 152572, 228858, 457716, 975371, 1950742, 2926113, 3901484, 5852226, 6827597, 11704452, 13655194, 20482791, 27310388, 40965582, 81931164]

約数ペア:

[(1, 81931164), (2, 40965582), (3, 27310388), (4, 20482791), (6, 13655194), (7, 11704452), (12, 6827597), (14, 5852226), (21, 3901484), (28, 2926113), (42, 1950742), (84, 975371), (179, 457716), (358, 228858), (537, 152572), (716, 114429), (1074, 76286), (1253, 65388), (2148, 38143), (2506, 32694), (3759, 21796), (5012, 16347), (5449, 15036), (7518, 10898)]