16561378

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 32

約数和(自身を含む): 27141120

約数和(自身を除く): 10579742

約数列:

[1, 2, 29, 31, 58, 61, 62, 122, 151, 302, 899, 1769, 1798, 1891, 3538, 3782, 4379, 4681, 8758, 9211, 9362, 18422, 54839, 109678, 135749, 267119, 271498, 285541, 534238, 571082, 8280689, 16561378]

約数ペア:

[(1, 16561378), (2, 8280689), (29, 571082), (31, 534238), (58, 285541), (61, 271498), (62, 267119), (122, 135749), (151, 109678), (302, 54839), (899, 18422), (1769, 9362), (1798, 9211), (1891, 8758), (3538, 4681), (3782, 4379)]