720883358

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{977}}^1$

素因数の和:1101

約数の個数: 48

約数和(自身を含む): 1224182160

約数和(自身を除く): 503298802

約数列:

[1, 2, 13, 26, 37, 59, 74, 118, 169, 338, 481, 767, 962, 977, 1534, 1954, 2183, 4366, 6253, 9971, 12506, 12701, 19942, 25402, 28379, 36149, 56758, 57643, 72298, 115286, 165113, 330226, 368927, 469937, 737854, 749359, 939874, 1498718, 2132791, 4265582, 6109181, 9741667, 12218362, 19483334, 27726283, 55452566, 360441679, 720883358]

約数ペア:

[(1, 720883358), (2, 360441679), (13, 55452566), (26, 27726283), (37, 19483334), (59, 12218362), (74, 9741667), (118, 6109181), (169, 4265582), (338, 2132791), (481, 1498718), (767, 939874), (962, 749359), (977, 737854), (1534, 469937), (1954, 368927), (2183, 330226), (4366, 165113), (6253, 115286), (9971, 72298), (12506, 57643), (12701, 56758), (19942, 36149), (25402, 28379)]