138849664

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{17783}}^1$

素因数の和:17858

約数の個数: 32

約数和(自身を含む): 281165040

約数和(自身を除く): 142315376

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 3904, 7808, 17783, 35566, 71132, 142264, 284528, 569056, 1084763, 1138112, 2169526, 2276224, 4339052, 8678104, 17356208, 34712416, 69424832, 138849664]

約数ペア:

[(1, 138849664), (2, 69424832), (4, 34712416), (8, 17356208), (16, 8678104), (32, 4339052), (61, 2276224), (64, 2169526), (122, 1138112), (128, 1084763), (244, 569056), (488, 284528), (976, 142264), (1952, 71132), (3904, 35566), (7808, 17783)]