399387492

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{839}}^1\times {\mathrm{1889}}^1$

素因数の和:2745

約数の個数: 72

約数和(自身を含む): 1155772800

約数和(自身を除く): 756385308

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 839, 1678, 1889, 2517, 3356, 3778, 5034, 5667, 5873, 7551, 7556, 10068, 11334, 11746, 13223, 15102, 17001, 17619, 22668, 23492, 26446, 30204, 34002, 35238, 39669, 52857, 52892, 68004, 70476, 79338, 105714, 119007, 158676, 211428, 238014, 476028, 1584871, 3169742, 4754613, 6339484, 9509226, 11094097, 14263839, 19018452, 22188194, 28527678, 33282291, 44376388, 57055356, 66564582, 99846873, 133129164, 199693746, 399387492]

約数ペア:

[(1, 399387492), (2, 199693746), (3, 133129164), (4, 99846873), (6, 66564582), (7, 57055356), (9, 44376388), (12, 33282291), (14, 28527678), (18, 22188194), (21, 19018452), (28, 14263839), (36, 11094097), (42, 9509226), (63, 6339484), (84, 4754613), (126, 3169742), (252, 1584871), (839, 476028), (1678, 238014), (1889, 211428), (2517, 158676), (3356, 119007), (3778, 105714), (5034, 79338), (5667, 70476), (5873, 68004), (7551, 52892), (7556, 52857), (10068, 39669), (11334, 35238), (11746, 34002), (13223, 30204), (15102, 26446), (17001, 23492), (17619, 22668)]