25601456

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1543}}^1$

素因数の和:1629

約数の個数: 40

約数和(自身を含む): 53416224

約数和(自身を除く): 27814768

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 1543, 2074, 3086, 4148, 6172, 8296, 12344, 16592, 24688, 26231, 52462, 94123, 104924, 188246, 209848, 376492, 419696, 752984, 1505968, 1600091, 3200182, 6400364, 12800728, 25601456]

約数ペア:

[(1, 25601456), (2, 12800728), (4, 6400364), (8, 3200182), (16, 1600091), (17, 1505968), (34, 752984), (61, 419696), (68, 376492), (122, 209848), (136, 188246), (244, 104924), (272, 94123), (488, 52462), (976, 26231), (1037, 24688), (1543, 16592), (2074, 12344), (3086, 8296), (4148, 6172)]