644422716

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{40591}}^1$

素因数の和:40621

約数の個数: 90

約数和(自身を含む): 1959741168

約数和(自身を除く): 1315318452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1323, 1764, 2268, 2646, 3969, 5292, 7938, 15876, 40591, 81182, 121773, 162364, 243546, 284137, 365319, 487092, 568274, 730638, 852411, 1095957, 1136548, 1461276, 1704822, 1988959, 2191914, 2557233, 3287871, 3409644, 3977918, 4383828, 5114466, 5966877, 6575742, 7671699, 7955836, 10228932, 11933754, 13151484, 15343398, 17900631, 23015097, 23867508, 30686796, 35801262, 46030194, 53701893, 71602524, 92060388, 107403786, 161105679, 214807572, 322211358, 644422716]

約数ペア:

[(1, 644422716), (2, 322211358), (3, 214807572), (4, 161105679), (6, 107403786), (7, 92060388), (9, 71602524), (12, 53701893), (14, 46030194), (18, 35801262), (21, 30686796), (27, 23867508), (28, 23015097), (36, 17900631), (42, 15343398), (49, 13151484), (54, 11933754), (63, 10228932), (81, 7955836), (84, 7671699), (98, 6575742), (108, 5966877), (126, 5114466), (147, 4383828), (162, 3977918), (189, 3409644), (196, 3287871), (252, 2557233), (294, 2191914), (324, 1988959), (378, 1704822), (441, 1461276), (567, 1136548), (588, 1095957), (756, 852411), (882, 730638), (1134, 568274), (1323, 487092), (1764, 365319), (2268, 284137), (2646, 243546), (3969, 162364), (5292, 121773), (7938, 81182), (15876, 40591)]