90409808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{5449}}^1$

素因数の和:5535

約数の個数: 40

約数和(自身を含む): 188548200

約数和(自身を除く): 98138392

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 2074, 4148, 5449, 8296, 10898, 16592, 21796, 43592, 87184, 92633, 185266, 332389, 370532, 664778, 741064, 1329556, 1482128, 2659112, 5318224, 5650613, 11301226, 22602452, 45204904, 90409808]

約数ペア:

[(1, 90409808), (2, 45204904), (4, 22602452), (8, 11301226), (16, 5650613), (17, 5318224), (34, 2659112), (61, 1482128), (68, 1329556), (122, 741064), (136, 664778), (244, 370532), (272, 332389), (488, 185266), (976, 92633), (1037, 87184), (2074, 43592), (4148, 21796), (5449, 16592), (8296, 10898)]