197212886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 358525440

約数和(自身を除く): 161312554

約数列:

[1, 2, 13, 17, 26, 31, 34, 37, 62, 74, 221, 389, 403, 442, 481, 527, 629, 778, 806, 962, 1054, 1147, 1258, 2294, 5057, 6613, 6851, 8177, 10114, 12059, 13226, 13702, 14393, 14911, 16354, 19499, 24118, 28786, 29822, 38998, 85969, 156767, 171938, 187109, 205003, 244681, 253487, 313534, 374218, 410006, 446183, 489362, 506974, 892366, 2665039, 3180853, 5330078, 5800379, 6361706, 7585111, 11600758, 15170222, 98606443, 197212886]

約数ペア:

[(1, 197212886), (2, 98606443), (13, 15170222), (17, 11600758), (26, 7585111), (31, 6361706), (34, 5800379), (37, 5330078), (62, 3180853), (74, 2665039), (221, 892366), (389, 506974), (403, 489362), (442, 446183), (481, 410006), (527, 374218), (629, 313534), (778, 253487), (806, 244681), (962, 205003), (1054, 187109), (1147, 171938), (1258, 156767), (2294, 85969), (5057, 38998), (6613, 29822), (6851, 28786), (8177, 24118), (10114, 19499), (12059, 16354), (13226, 14911), (13702, 14393)]