78866964

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2521}}^1$

素因数の和:2621

約数の個数: 72

約数和(自身を含む): 220321920

約数和(自身を除く): 141454956

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 79, 99, 132, 158, 198, 237, 316, 396, 474, 711, 869, 948, 1422, 1738, 2521, 2607, 2844, 3476, 5042, 5214, 7563, 7821, 10084, 10428, 15126, 15642, 22689, 27731, 30252, 31284, 45378, 55462, 83193, 90756, 110924, 166386, 199159, 249579, 332772, 398318, 499158, 597477, 796636, 998316, 1194954, 1792431, 2190749, 2389908, 3584862, 4381498, 6572247, 7169724, 8762996, 13144494, 19716741, 26288988, 39433482, 78866964]

約数ペア:

[(1, 78866964), (2, 39433482), (3, 26288988), (4, 19716741), (6, 13144494), (9, 8762996), (11, 7169724), (12, 6572247), (18, 4381498), (22, 3584862), (33, 2389908), (36, 2190749), (44, 1792431), (66, 1194954), (79, 998316), (99, 796636), (132, 597477), (158, 499158), (198, 398318), (237, 332772), (316, 249579), (396, 199159), (474, 166386), (711, 110924), (869, 90756), (948, 83193), (1422, 55462), (1738, 45378), (2521, 31284), (2607, 30252), (2844, 27731), (3476, 22689), (5042, 15642), (5214, 15126), (7563, 10428), (7821, 10084)]