261645232

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{2423}}^1$

素因数の和:2845

約数の個数: 40

約数和(自身を含む): 538331616

約数和(自身を除く): 276686384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 397, 794, 1588, 2423, 3176, 4846, 6352, 6749, 9692, 13498, 19384, 26996, 38768, 41191, 53992, 82382, 107984, 164764, 329528, 659056, 961931, 1923862, 3847724, 7695448, 15390896, 16352827, 32705654, 65411308, 130822616, 261645232]

約数ペア:

[(1, 261645232), (2, 130822616), (4, 65411308), (8, 32705654), (16, 16352827), (17, 15390896), (34, 7695448), (68, 3847724), (136, 1923862), (272, 961931), (397, 659056), (794, 329528), (1588, 164764), (2423, 107984), (3176, 82382), (4846, 53992), (6352, 41191), (6749, 38768), (9692, 26996), (13498, 19384)]