490854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 64

約数和(自身を含む): 1290240

約数和(自身を除く): 799386

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 31, 39, 42, 58, 62, 78, 87, 91, 93, 174, 182, 186, 203, 217, 273, 377, 403, 406, 434, 546, 609, 651, 754, 806, 899, 1131, 1209, 1218, 1302, 1798, 2262, 2418, 2639, 2697, 2821, 5278, 5394, 5642, 6293, 7917, 8463, 11687, 12586, 15834, 16926, 18879, 23374, 35061, 37758, 70122, 81809, 163618, 245427, 490854]

約数ペア:

[(1, 490854), (2, 245427), (3, 163618), (6, 81809), (7, 70122), (13, 37758), (14, 35061), (21, 23374), (26, 18879), (29, 16926), (31, 15834), (39, 12586), (42, 11687), (58, 8463), (62, 7917), (78, 6293), (87, 5642), (91, 5394), (93, 5278), (174, 2821), (182, 2697), (186, 2639), (203, 2418), (217, 2262), (273, 1798), (377, 1302), (403, 1218), (406, 1209), (434, 1131), (546, 899), (609, 806), (651, 754)]