239914428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 609776496

約数和(自身を除く): 369862068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 281, 338, 421, 507, 562, 676, 842, 843, 1014, 1124, 1263, 1684, 1686, 2028, 2526, 3372, 3653, 5052, 5473, 7306, 10946, 10959, 14612, 16419, 21892, 21918, 32838, 43836, 47489, 65676, 71149, 94978, 118301, 142298, 142467, 189956, 213447, 236602, 284596, 284934, 354903, 426894, 473204, 569868, 709806, 853788, 1419612, 1537913, 3075826, 4613739, 6151652, 9227478, 18454956, 19992869, 39985738, 59978607, 79971476, 119957214, 239914428]

約数ペア:

[(1, 239914428), (2, 119957214), (3, 79971476), (4, 59978607), (6, 39985738), (12, 19992869), (13, 18454956), (26, 9227478), (39, 6151652), (52, 4613739), (78, 3075826), (156, 1537913), (169, 1419612), (281, 853788), (338, 709806), (421, 569868), (507, 473204), (562, 426894), (676, 354903), (842, 284934), (843, 284596), (1014, 236602), (1124, 213447), (1263, 189956), (1684, 142467), (1686, 142298), (2028, 118301), (2526, 94978), (3372, 71149), (3653, 65676), (5052, 47489), (5473, 43836), (7306, 32838), (10946, 21918), (10959, 21892), (14612, 16419)]