128661316

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{479}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 264176640

約数和(自身を除く): 135515324

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 181, 212, 362, 371, 479, 724, 742, 958, 1267, 1484, 1916, 2534, 3353, 5068, 6706, 9593, 13412, 19186, 25387, 38372, 50774, 67151, 86699, 101548, 134302, 173398, 177709, 268604, 346796, 355418, 606893, 710836, 1213786, 2427572, 4595047, 9190094, 18380188, 32165329, 64330658, 128661316]

約数ペア:

[(1, 128661316), (2, 64330658), (4, 32165329), (7, 18380188), (14, 9190094), (28, 4595047), (53, 2427572), (106, 1213786), (181, 710836), (212, 606893), (362, 355418), (371, 346796), (479, 268604), (724, 177709), (742, 173398), (958, 134302), (1267, 101548), (1484, 86699), (1916, 67151), (2534, 50774), (3353, 38372), (5068, 25387), (6706, 19186), (9593, 13412)]