491549016

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1579}}^1$

素因数の和:1721

約数の個数: 128

約数和(自身を含む): 1501632000

約数和(自身を除く): 1010082984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 109, 119, 136, 168, 204, 218, 238, 327, 357, 408, 436, 476, 654, 714, 763, 872, 952, 1308, 1428, 1526, 1579, 1853, 2289, 2616, 2856, 3052, 3158, 3706, 4578, 4737, 5559, 6104, 6316, 7412, 9156, 9474, 11053, 11118, 12632, 12971, 14824, 18312, 18948, 22106, 22236, 25942, 26843, 33159, 37896, 38913, 44212, 44472, 51884, 53686, 66318, 77826, 80529, 88424, 103768, 107372, 132636, 155652, 161058, 172111, 187901, 214744, 265272, 311304, 322116, 344222, 375802, 516333, 563703, 644232, 688444, 751604, 1032666, 1127406, 1204777, 1376888, 1503208, 2065332, 2254812, 2409554, 2925887, 3614331, 4130664, 4509624, 4819108, 5851774, 7228662, 8777661, 9638216, 11703548, 14457324, 17555322, 20481209, 23407096, 28914648, 35110644, 40962418, 61443627, 70221288, 81924836, 122887254, 163849672, 245774508, 491549016]

約数ペア:

[(1, 491549016), (2, 245774508), (3, 163849672), (4, 122887254), (6, 81924836), (7, 70221288), (8, 61443627), (12, 40962418), (14, 35110644), (17, 28914648), (21, 23407096), (24, 20481209), (28, 17555322), (34, 14457324), (42, 11703548), (51, 9638216), (56, 8777661), (68, 7228662), (84, 5851774), (102, 4819108), (109, 4509624), (119, 4130664), (136, 3614331), (168, 2925887), (204, 2409554), (218, 2254812), (238, 2065332), (327, 1503208), (357, 1376888), (408, 1204777), (436, 1127406), (476, 1032666), (654, 751604), (714, 688444), (763, 644232), (872, 563703), (952, 516333), (1308, 375802), (1428, 344222), (1526, 322116), (1579, 311304), (1853, 265272), (2289, 214744), (2616, 187901), (2856, 172111), (3052, 161058), (3158, 155652), (3706, 132636), (4578, 107372), (4737, 103768), (5559, 88424), (6104, 80529), (6316, 77826), (7412, 66318), (9156, 53686), (9474, 51884), (11053, 44472), (11118, 44212), (12632, 38913), (12971, 37896), (14824, 33159), (18312, 26843), (18948, 25942), (22106, 22236)]