394991844

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{19937}}^1$

素因数の和:20084

約数の個数: 48

約数和(自身を含む): 1000409088

約数和(自身を除く): 605417244

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 254, 381, 508, 762, 1524, 1651, 3302, 4953, 6604, 9906, 19812, 19937, 39874, 59811, 79748, 119622, 239244, 259181, 518362, 777543, 1036724, 1555086, 2531999, 3110172, 5063998, 7595997, 10127996, 15191994, 30383988, 32915987, 65831974, 98747961, 131663948, 197495922, 394991844]

約数ペア:

[(1, 394991844), (2, 197495922), (3, 131663948), (4, 98747961), (6, 65831974), (12, 32915987), (13, 30383988), (26, 15191994), (39, 10127996), (52, 7595997), (78, 5063998), (127, 3110172), (156, 2531999), (254, 1555086), (381, 1036724), (508, 777543), (762, 518362), (1524, 259181), (1651, 239244), (3302, 119622), (4953, 79748), (6604, 59811), (9906, 39874), (19812, 19937)]