221489008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 485593920

約数和(自身を除く): 264104912

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 73, 104, 116, 146, 208, 232, 292, 377, 464, 503, 584, 754, 949, 1006, 1168, 1508, 1898, 2012, 2117, 3016, 3796, 4024, 4234, 6032, 6539, 7592, 8048, 8468, 13078, 14587, 15184, 16936, 26156, 27521, 29174, 33872, 36719, 52312, 55042, 58348, 73438, 104624, 110084, 116696, 146876, 189631, 220168, 233392, 293752, 379262, 440336, 477347, 587504, 758524, 954694, 1064851, 1517048, 1909388, 2129702, 3034096, 3818776, 4259404, 7637552, 8518808, 13843063, 17037616, 27686126, 55372252, 110744504, 221489008]

約数ペア:

[(1, 221489008), (2, 110744504), (4, 55372252), (8, 27686126), (13, 17037616), (16, 13843063), (26, 8518808), (29, 7637552), (52, 4259404), (58, 3818776), (73, 3034096), (104, 2129702), (116, 1909388), (146, 1517048), (208, 1064851), (232, 954694), (292, 758524), (377, 587504), (464, 477347), (503, 440336), (584, 379262), (754, 293752), (949, 233392), (1006, 220168), (1168, 189631), (1508, 146876), (1898, 116696), (2012, 110084), (2117, 104624), (3016, 73438), (3796, 58348), (4024, 55042), (4234, 52312), (6032, 36719), (6539, 33872), (7592, 29174), (8048, 27521), (8468, 26156), (13078, 16936), (14587, 15184)]