39778396

素因数分解:

$2^2\times 7^3\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 82432000

約数和(自身を除く): 42653604

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 343, 367, 553, 686, 734, 1106, 1372, 1468, 2212, 2569, 3871, 5138, 7742, 10276, 15484, 17983, 27097, 28993, 35966, 54194, 57986, 71932, 108388, 115972, 125881, 202951, 251762, 405902, 503524, 811804, 1420657, 2841314, 5682628, 9944599, 19889198, 39778396]

約数ペア:

[(1, 39778396), (2, 19889198), (4, 9944599), (7, 5682628), (14, 2841314), (28, 1420657), (49, 811804), (79, 503524), (98, 405902), (158, 251762), (196, 202951), (316, 125881), (343, 115972), (367, 108388), (553, 71932), (686, 57986), (734, 54194), (1106, 35966), (1372, 28993), (1468, 27097), (2212, 17983), (2569, 15484), (3871, 10276), (5138, 7742)]