161932778

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4723}}^1$

素因数の和:4842

約数の個数: 32

約数和(自身を含む): 290242560

約数和(自身を除く): 128309782

約数列:

[1, 2, 7, 14, 31, 62, 79, 158, 217, 434, 553, 1106, 2449, 4723, 4898, 9446, 17143, 33061, 34286, 66122, 146413, 292826, 373117, 746234, 1024891, 2049782, 2611819, 5223638, 11566627, 23133254, 80966389, 161932778]

約数ペア:

[(1, 161932778), (2, 80966389), (7, 23133254), (14, 11566627), (31, 5223638), (62, 2611819), (79, 2049782), (158, 1024891), (217, 746234), (434, 373117), (553, 292826), (1106, 146413), (2449, 66122), (4723, 34286), (4898, 33061), (9446, 17143)]