215561556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 651763840

約数和(自身を除く): 436202284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 61, 63, 74, 84, 111, 122, 126, 148, 183, 222, 244, 252, 259, 333, 366, 379, 427, 444, 518, 549, 666, 732, 758, 777, 854, 1036, 1098, 1137, 1281, 1332, 1516, 1554, 1708, 2196, 2257, 2274, 2331, 2562, 2653, 3108, 3411, 3843, 4514, 4548, 4662, 5124, 5306, 6771, 6822, 7686, 7959, 9028, 9324, 10612, 13542, 13644, 14023, 15372, 15799, 15918, 20313, 23119, 23877, 27084, 28046, 31598, 31836, 40626, 42069, 46238, 47397, 47754, 56092, 63196, 69357, 81252, 84138, 92476, 94794, 95508, 98161, 126207, 138714, 142191, 161833, 168276, 189588, 196322, 208071, 252414, 277428, 284382, 294483, 323666, 392644, 416142, 485499, 504828, 568764, 588966, 647332, 832284, 855403, 883449, 970998, 1177932, 1456497, 1710806, 1766898, 1941996, 2566209, 2912994, 3421612, 3533796, 5132418, 5825988, 5987821, 7698627, 10264836, 11975642, 15397254, 17963463, 23951284, 30794508, 35926926, 53890389, 71853852, 107780778, 215561556]

約数ペア:

[(1, 215561556), (2, 107780778), (3, 71853852), (4, 53890389), (6, 35926926), (7, 30794508), (9, 23951284), (12, 17963463), (14, 15397254), (18, 11975642), (21, 10264836), (28, 7698627), (36, 5987821), (37, 5825988), (42, 5132418), (61, 3533796), (63, 3421612), (74, 2912994), (84, 2566209), (111, 1941996), (122, 1766898), (126, 1710806), (148, 1456497), (183, 1177932), (222, 970998), (244, 883449), (252, 855403), (259, 832284), (333, 647332), (366, 588966), (379, 568764), (427, 504828), (444, 485499), (518, 416142), (549, 392644), (666, 323666), (732, 294483), (758, 284382), (777, 277428), (854, 252414), (1036, 208071), (1098, 196322), (1137, 189588), (1281, 168276), (1332, 161833), (1516, 142191), (1554, 138714), (1708, 126207), (2196, 98161), (2257, 95508), (2274, 94794), (2331, 92476), (2562, 84138), (2653, 81252), (3108, 69357), (3411, 63196), (3843, 56092), (4514, 47754), (4548, 47397), (4662, 46238), (5124, 42069), (5306, 40626), (6771, 31836), (6822, 31598), (7686, 28046), (7959, 27084), (9028, 23877), (9324, 23119), (10612, 20313), (13542, 15918), (13644, 15799), (14023, 15372)]