78774358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 130394880

約数和(自身を除く): 51620522

約数列:

[1, 2, 13, 26, 71, 139, 142, 278, 307, 614, 923, 1807, 1846, 3614, 3991, 7982, 9869, 19738, 21797, 42673, 43594, 85346, 128297, 256594, 283361, 554749, 566722, 1109498, 3029783, 6059566, 39387179, 78774358]

約数ペア:

[(1, 78774358), (2, 39387179), (13, 6059566), (26, 3029783), (71, 1109498), (139, 566722), (142, 554749), (278, 283361), (307, 256594), (614, 128297), (923, 85346), (1807, 43594), (1846, 42673), (3614, 21797), (3991, 19738), (7982, 9869)]