12978108

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2521}}^1$

素因数の和:2555

約数の個数: 72

約数和(自身を含む): 38556336

約数和(自身を除く): 25578228

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2521, 2574, 5042, 5148, 7563, 10084, 15126, 22689, 27731, 30252, 32773, 45378, 55462, 65546, 83193, 90756, 98319, 110924, 131092, 166386, 196638, 249579, 294957, 332772, 360503, 393276, 499158, 589914, 721006, 998316, 1081509, 1179828, 1442012, 2163018, 3244527, 4326036, 6489054, 12978108]

約数ペア:

[(1, 12978108), (2, 6489054), (3, 4326036), (4, 3244527), (6, 2163018), (9, 1442012), (11, 1179828), (12, 1081509), (13, 998316), (18, 721006), (22, 589914), (26, 499158), (33, 393276), (36, 360503), (39, 332772), (44, 294957), (52, 249579), (66, 196638), (78, 166386), (99, 131092), (117, 110924), (132, 98319), (143, 90756), (156, 83193), (198, 65546), (234, 55462), (286, 45378), (396, 32773), (429, 30252), (468, 27731), (572, 22689), (858, 15126), (1287, 10084), (1716, 7563), (2521, 5148), (2574, 5042)]