128811618

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{32381}}^1$

素因数の和:32419

約数の個数: 48

約数和(自身を含む): 318250296

約数和(自身を除く): 189438678

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 32381, 64762, 97143, 194286, 291429, 420953, 550477, 582858, 841906, 1100954, 1262859, 1651431, 2525718, 3302862, 3788577, 4954293, 7156201, 7577154, 9908586, 14312402, 21468603, 42937206, 64405809, 128811618]

約数ペア:

[(1, 128811618), (2, 64405809), (3, 42937206), (6, 21468603), (9, 14312402), (13, 9908586), (17, 7577154), (18, 7156201), (26, 4954293), (34, 3788577), (39, 3302862), (51, 2525718), (78, 1651431), (102, 1262859), (117, 1100954), (153, 841906), (221, 582858), (234, 550477), (306, 420953), (442, 291429), (663, 194286), (1326, 97143), (1989, 64762), (3978, 32381)]