16991728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{541}}^1$

素因数の和:713

約数の個数: 40

約数和(自身を含む): 35754656

約数和(自身を除く): 18762928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 151, 208, 302, 541, 604, 1082, 1208, 1963, 2164, 2416, 3926, 4328, 7033, 7852, 8656, 14066, 15704, 28132, 31408, 56264, 81691, 112528, 163382, 326764, 653528, 1061983, 1307056, 2123966, 4247932, 8495864, 16991728]

約数ペア:

[(1, 16991728), (2, 8495864), (4, 4247932), (8, 2123966), (13, 1307056), (16, 1061983), (26, 653528), (52, 326764), (104, 163382), (151, 112528), (208, 81691), (302, 56264), (541, 31408), (604, 28132), (1082, 15704), (1208, 14066), (1963, 8656), (2164, 7852), (2416, 7033), (3926, 4328)]