16980876

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 47318544

約数和(自身を除く): 30337668

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 137, 198, 274, 313, 396, 411, 548, 626, 822, 939, 1233, 1252, 1507, 1644, 1878, 2466, 2817, 3014, 3443, 3756, 4521, 4932, 5634, 6028, 6886, 9042, 10329, 11268, 13563, 13772, 18084, 20658, 27126, 30987, 41316, 42881, 54252, 61974, 85762, 123948, 128643, 171524, 257286, 385929, 471691, 514572, 771858, 943382, 1415073, 1543716, 1886764, 2830146, 4245219, 5660292, 8490438, 16980876]

約数ペア:

[(1, 16980876), (2, 8490438), (3, 5660292), (4, 4245219), (6, 2830146), (9, 1886764), (11, 1543716), (12, 1415073), (18, 943382), (22, 771858), (33, 514572), (36, 471691), (44, 385929), (66, 257286), (99, 171524), (132, 128643), (137, 123948), (198, 85762), (274, 61974), (313, 54252), (396, 42881), (411, 41316), (548, 30987), (626, 27126), (822, 20658), (939, 18084), (1233, 13772), (1252, 13563), (1507, 11268), (1644, 10329), (1878, 9042), (2466, 6886), (2817, 6028), (3014, 5634), (3443, 4932), (3756, 4521)]