81913944

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3559}}^1$

素因数の和:3712

約数の個数: 64

約数和(自身を含む): 235814400

約数和(自身を除く): 153900456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 137, 168, 274, 411, 548, 822, 959, 1096, 1644, 1918, 2877, 3288, 3559, 3836, 5754, 7118, 7672, 10677, 11508, 14236, 21354, 23016, 24913, 28472, 42708, 49826, 74739, 85416, 99652, 149478, 199304, 298956, 487583, 597912, 975166, 1462749, 1950332, 2925498, 3413081, 3900664, 5850996, 6826162, 10239243, 11701992, 13652324, 20478486, 27304648, 40956972, 81913944]

約数ペア:

[(1, 81913944), (2, 40956972), (3, 27304648), (4, 20478486), (6, 13652324), (7, 11701992), (8, 10239243), (12, 6826162), (14, 5850996), (21, 3900664), (24, 3413081), (28, 2925498), (42, 1950332), (56, 1462749), (84, 975166), (137, 597912), (168, 487583), (274, 298956), (411, 199304), (548, 149478), (822, 99652), (959, 85416), (1096, 74739), (1644, 49826), (1918, 42708), (2877, 28472), (3288, 24913), (3559, 23016), (3836, 21354), (5754, 14236), (7118, 11508), (7672, 10677)]