178118902

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 301440528

約数和(自身を除く): 123321626

約数列:

[1, 2, 13, 26, 53, 61, 106, 122, 163, 169, 326, 338, 689, 793, 1378, 1586, 2119, 3233, 4238, 6466, 8639, 8957, 9943, 10309, 17278, 17914, 19886, 20618, 27547, 42029, 55094, 84058, 112307, 129259, 224614, 258518, 526979, 546377, 1053958, 1092754, 1459991, 1680367, 2919982, 3360734, 6850727, 13701454, 89059451, 178118902]

約数ペア:

[(1, 178118902), (2, 89059451), (13, 13701454), (26, 6850727), (53, 3360734), (61, 2919982), (106, 1680367), (122, 1459991), (163, 1092754), (169, 1053958), (326, 546377), (338, 526979), (689, 258518), (793, 224614), (1378, 129259), (1586, 112307), (2119, 84058), (3233, 55094), (4238, 42029), (6466, 27547), (8639, 20618), (8957, 19886), (9943, 17914), (10309, 17278)]