213455956

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:154

約数の個数: 108

約数和(自身を含む): 483396480

約数和(自身を除く): 269940524

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 43, 49, 62, 76, 86, 98, 124, 133, 172, 196, 217, 266, 301, 434, 532, 589, 602, 817, 868, 931, 1178, 1204, 1333, 1519, 1634, 1849, 1862, 2107, 2356, 2666, 3038, 3268, 3698, 3724, 4123, 4214, 5332, 5719, 6076, 7396, 8246, 8428, 9331, 11438, 12943, 16492, 18662, 22876, 25327, 25886, 28861, 35131, 37324, 40033, 50654, 51772, 57319, 57722, 65317, 70262, 80066, 90601, 101308, 114638, 115444, 130634, 140524, 160132, 177289, 181202, 229276, 245917, 261268, 354578, 362404, 401233, 491834, 709156, 802466, 983668, 1089061, 1241023, 1604932, 1721419, 2178122, 2482046, 2808631, 3442838, 4356244, 4964092, 5617262, 6885676, 7623427, 11234524, 15246854, 30493708, 53363989, 106727978, 213455956]

約数ペア:

[(1, 213455956), (2, 106727978), (4, 53363989), (7, 30493708), (14, 15246854), (19, 11234524), (28, 7623427), (31, 6885676), (38, 5617262), (43, 4964092), (49, 4356244), (62, 3442838), (76, 2808631), (86, 2482046), (98, 2178122), (124, 1721419), (133, 1604932), (172, 1241023), (196, 1089061), (217, 983668), (266, 802466), (301, 709156), (434, 491834), (532, 401233), (589, 362404), (602, 354578), (817, 261268), (868, 245917), (931, 229276), (1178, 181202), (1204, 177289), (1333, 160132), (1519, 140524), (1634, 130634), (1849, 115444), (1862, 114638), (2107, 101308), (2356, 90601), (2666, 80066), (3038, 70262), (3268, 65317), (3698, 57722), (3724, 57319), (4123, 51772), (4214, 50654), (5332, 40033), (5719, 37324), (6076, 35131), (7396, 28861), (8246, 25886), (8428, 25327), (9331, 22876), (11438, 18662), (12943, 16492)]