72939568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2027}}^1$

素因数の和:2221

約数の個数: 40

約数和(自身を含む): 153146448

約数和(自身を除く): 80206880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 173, 208, 346, 692, 1384, 2027, 2249, 2768, 4054, 4498, 8108, 8996, 16216, 17992, 26351, 32432, 35984, 52702, 105404, 210808, 350671, 421616, 701342, 1402684, 2805368, 4558723, 5610736, 9117446, 18234892, 36469784, 72939568]

約数ペア:

[(1, 72939568), (2, 36469784), (4, 18234892), (8, 9117446), (13, 5610736), (16, 4558723), (26, 2805368), (52, 1402684), (104, 701342), (173, 421616), (208, 350671), (346, 210808), (692, 105404), (1384, 52702), (2027, 35984), (2249, 32432), (2768, 26351), (4054, 17992), (4498, 16216), (8108, 8996)]