138880386

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{607}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 326860800

約数和(自身を除く): 187980414

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 223, 342, 446, 513, 607, 669, 1026, 1214, 1338, 1821, 2007, 3642, 4014, 4237, 5463, 6021, 8474, 10926, 11533, 12042, 12711, 16389, 23066, 25422, 32778, 34599, 38133, 69198, 76266, 103797, 114399, 135361, 207594, 228798, 270722, 311391, 406083, 622782, 812166, 1218249, 2436498, 2571859, 3654747, 5143718, 7309494, 7715577, 15431154, 23146731, 46293462, 69440193, 138880386]

約数ペア:

[(1, 138880386), (2, 69440193), (3, 46293462), (6, 23146731), (9, 15431154), (18, 7715577), (19, 7309494), (27, 5143718), (38, 3654747), (54, 2571859), (57, 2436498), (114, 1218249), (171, 812166), (223, 622782), (342, 406083), (446, 311391), (513, 270722), (607, 228798), (669, 207594), (1026, 135361), (1214, 114399), (1338, 103797), (1821, 76266), (2007, 69198), (3642, 38133), (4014, 34599), (4237, 32778), (5463, 25422), (6021, 23066), (8474, 16389), (10926, 12711), (11533, 12042)]