128407518

素因数分解:

$2^1\times 3^7\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1001

約数の個数: 64

約数和(自身を含む): 298506240

約数和(自身を除く): 170098722

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 243, 279, 486, 558, 729, 837, 947, 1458, 1674, 1894, 2187, 2511, 2841, 4374, 5022, 5682, 7533, 8523, 15066, 17046, 22599, 25569, 29357, 45198, 51138, 58714, 67797, 76707, 88071, 135594, 153414, 176142, 230121, 264213, 460242, 528426, 690363, 792639, 1380726, 1585278, 2071089, 2377917, 4142178, 4755834, 7133751, 14267502, 21401253, 42802506, 64203759, 128407518]

約数ペア:

[(1, 128407518), (2, 64203759), (3, 42802506), (6, 21401253), (9, 14267502), (18, 7133751), (27, 4755834), (31, 4142178), (54, 2377917), (62, 2071089), (81, 1585278), (93, 1380726), (162, 792639), (186, 690363), (243, 528426), (279, 460242), (486, 264213), (558, 230121), (729, 176142), (837, 153414), (947, 135594), (1458, 88071), (1674, 76707), (1894, 67797), (2187, 58714), (2511, 51138), (2841, 45198), (4374, 29357), (5022, 25569), (5682, 22599), (7533, 17046), (8523, 15066)]