199983654

素因数分解:

$2^1\times 3^7\times {\mathrm{13}}^1\times {\mathrm{3517}}^1$

素因数の和:3553

約数の個数: 64

約数和(自身を含む): 484639680

約数和(自身を除く): 284656026

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 729, 1053, 1458, 2106, 2187, 3159, 3517, 4374, 6318, 7034, 9477, 10551, 18954, 21102, 28431, 31653, 45721, 56862, 63306, 91442, 94959, 137163, 189918, 274326, 284877, 411489, 569754, 822978, 854631, 1234467, 1709262, 2468934, 2563893, 3703401, 5127786, 7406802, 7691679, 11110203, 15383358, 22220406, 33330609, 66661218, 99991827, 199983654]

約数ペア:

[(1, 199983654), (2, 99991827), (3, 66661218), (6, 33330609), (9, 22220406), (13, 15383358), (18, 11110203), (26, 7691679), (27, 7406802), (39, 5127786), (54, 3703401), (78, 2563893), (81, 2468934), (117, 1709262), (162, 1234467), (234, 854631), (243, 822978), (351, 569754), (486, 411489), (702, 284877), (729, 274326), (1053, 189918), (1458, 137163), (2106, 94959), (2187, 91442), (3159, 63306), (3517, 56862), (4374, 45721), (6318, 31653), (7034, 28431), (9477, 21102), (10551, 18954)]