1389218402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{255653}}^1$

素因数の和:255698

約数の個数: 32

約数和(自身を含む): 2576992320

約数和(自身を除く): 1187773918

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 5434, 255653, 511306, 2812183, 3323489, 4857407, 5624366, 6646978, 9714814, 36558379, 53431477, 63146291, 73116758, 106862954, 126292582, 694609201, 1389218402]

約数ペア:

[(1, 1389218402), (2, 694609201), (11, 126292582), (13, 106862954), (19, 73116758), (22, 63146291), (26, 53431477), (38, 36558379), (143, 9714814), (209, 6646978), (247, 5624366), (286, 4857407), (418, 3323489), (494, 2812183), (2717, 511306), (5434, 255653)]