138657008

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{15671}}^1$

素因数の和:15765

約数の個数: 40

約数和(自身を含む): 310932480

約数和(自身を除く): 172275472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 4424, 8848, 15671, 31342, 62684, 109697, 125368, 219394, 250736, 438788, 877576, 1238009, 1755152, 2476018, 4952036, 8666063, 9904072, 17332126, 19808144, 34664252, 69328504, 138657008]

約数ペア:

[(1, 138657008), (2, 69328504), (4, 34664252), (7, 19808144), (8, 17332126), (14, 9904072), (16, 8666063), (28, 4952036), (56, 2476018), (79, 1755152), (112, 1238009), (158, 877576), (316, 438788), (553, 250736), (632, 219394), (1106, 125368), (1264, 109697), (2212, 62684), (4424, 31342), (8848, 15671)]