208070024

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{647}}^1\times {\mathrm{659}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 397742400

約数和(自身を除く): 189672376

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 647, 659, 1294, 1318, 2588, 2636, 5176, 5272, 39467, 40199, 78934, 80398, 157868, 160796, 315736, 321592, 426373, 852746, 1705492, 3410984, 26008753, 52017506, 104035012, 208070024]

約数ペア:

[(1, 208070024), (2, 104035012), (4, 52017506), (8, 26008753), (61, 3410984), (122, 1705492), (244, 852746), (488, 426373), (647, 321592), (659, 315736), (1294, 160796), (1318, 157868), (2588, 80398), (2636, 78934), (5176, 40199), (5272, 39467)]