71643418

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 141926400

約数和(自身を除く): 70282982

約数列:

[1, 2, 7, 11, 14, 22, 31, 43, 62, 77, 86, 154, 217, 301, 341, 349, 434, 473, 602, 682, 698, 946, 1333, 2387, 2443, 2666, 3311, 3839, 4774, 4886, 6622, 7678, 9331, 10819, 14663, 15007, 18662, 21638, 26873, 29326, 30014, 53746, 75733, 102641, 105049, 119009, 151466, 165077, 205282, 210098, 238018, 330154, 465217, 833063, 930434, 1155539, 1666126, 2311078, 3256519, 5117387, 6513038, 10234774, 35821709, 71643418]

約数ペア:

[(1, 71643418), (2, 35821709), (7, 10234774), (11, 6513038), (14, 5117387), (22, 3256519), (31, 2311078), (43, 1666126), (62, 1155539), (77, 930434), (86, 833063), (154, 465217), (217, 330154), (301, 238018), (341, 210098), (349, 205282), (434, 165077), (473, 151466), (602, 119009), (682, 105049), (698, 102641), (946, 75733), (1333, 53746), (2387, 30014), (2443, 29326), (2666, 26873), (3311, 21638), (3839, 18662), (4774, 15007), (4886, 14663), (6622, 10819), (7678, 9331)]