78021616

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 154570464

約数和(自身を除く): 76548848

約数列:

[1, 2, 4, 8, 16, 71, 142, 173, 284, 346, 397, 568, 692, 794, 1136, 1384, 1588, 2768, 3176, 6352, 12283, 24566, 28187, 49132, 56374, 68681, 98264, 112748, 137362, 196528, 225496, 274724, 450992, 549448, 1098896, 4876351, 9752702, 19505404, 39010808, 78021616]

約数ペア:

[(1, 78021616), (2, 39010808), (4, 19505404), (8, 9752702), (16, 4876351), (71, 1098896), (142, 549448), (173, 450992), (284, 274724), (346, 225496), (397, 196528), (568, 137362), (692, 112748), (794, 98264), (1136, 68681), (1384, 56374), (1588, 49132), (2768, 28187), (3176, 24566), (6352, 12283)]