80981812

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{13381}}^1$

素因数の和:13491

約数の個数: 24

約数和(自身を含む): 151751880

約数和(自身を除く): 70770068

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 6052, 13381, 26762, 53524, 227477, 454954, 909908, 1190909, 2381818, 4763636, 20245453, 40490906, 80981812]

約数ペア:

[(1, 80981812), (2, 40490906), (4, 20245453), (17, 4763636), (34, 2381818), (68, 1190909), (89, 909908), (178, 454954), (356, 227477), (1513, 53524), (3026, 26762), (6052, 13381)]