644769034

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1351

約数の個数: 64

約数和(自身を含む): 1237565952

約数和(自身を除く): 592796918

約数列:

[1, 2, 7, 13, 14, 26, 41, 71, 82, 91, 142, 182, 287, 497, 533, 574, 923, 994, 1066, 1217, 1846, 2434, 2911, 3731, 5822, 6461, 7462, 8519, 12922, 15821, 17038, 20377, 31642, 37843, 40754, 49897, 75686, 86407, 99794, 110747, 172814, 221494, 264901, 349279, 529802, 604849, 648661, 698558, 1123291, 1209698, 1297322, 2246582, 3542687, 4540627, 7085374, 7863037, 9081254, 15726074, 24798809, 46054931, 49597618, 92109862, 322384517, 644769034]

約数ペア:

[(1, 644769034), (2, 322384517), (7, 92109862), (13, 49597618), (14, 46054931), (26, 24798809), (41, 15726074), (71, 9081254), (82, 7863037), (91, 7085374), (142, 4540627), (182, 3542687), (287, 2246582), (497, 1297322), (533, 1209698), (574, 1123291), (923, 698558), (994, 648661), (1066, 604849), (1217, 529802), (1846, 349279), (2434, 264901), (2911, 221494), (3731, 172814), (5822, 110747), (6461, 99794), (7462, 86407), (8519, 75686), (12922, 49897), (15821, 40754), (17038, 37843), (20377, 31642)]