129241472

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{12781}}^1$

素因数の和:12874

約数の個数: 32

約数和(自身を含む): 260752800

約数和(自身を除く): 131511328

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 632, 1264, 2528, 5056, 10112, 12781, 25562, 51124, 102248, 204496, 408992, 817984, 1009699, 1635968, 2019398, 4038796, 8077592, 16155184, 32310368, 64620736, 129241472]

約数ペア:

[(1, 129241472), (2, 64620736), (4, 32310368), (8, 16155184), (16, 8077592), (32, 4038796), (64, 2019398), (79, 1635968), (128, 1009699), (158, 817984), (316, 408992), (632, 204496), (1264, 102248), (2528, 51124), (5056, 25562), (10112, 12781)]