12397878

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 27799200

約数和(自身を除く): 15401322

約数列:

[1, 2, 3, 6, 9, 18, 71, 89, 109, 142, 178, 213, 218, 267, 327, 426, 534, 639, 654, 801, 981, 1278, 1602, 1962, 6319, 7739, 9701, 12638, 15478, 18957, 19402, 23217, 29103, 37914, 46434, 56871, 58206, 69651, 87309, 113742, 139302, 174618, 688771, 1377542, 2066313, 4132626, 6198939, 12397878]

約数ペア:

[(1, 12397878), (2, 6198939), (3, 4132626), (6, 2066313), (9, 1377542), (18, 688771), (71, 174618), (89, 139302), (109, 113742), (142, 87309), (178, 69651), (213, 58206), (218, 56871), (267, 46434), (327, 37914), (426, 29103), (534, 23217), (639, 19402), (654, 18957), (801, 15478), (981, 12638), (1278, 9701), (1602, 7739), (1962, 6319)]