28438688

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:945

約数の個数: 48

約数和(自身を含む): 60324264

約数和(自身を除く): 31885576

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 68, 122, 136, 244, 272, 488, 544, 857, 976, 1037, 1714, 1952, 2074, 3428, 4148, 6856, 8296, 13712, 14569, 16592, 27424, 29138, 33184, 52277, 58276, 104554, 116552, 209108, 233104, 418216, 466208, 836432, 888709, 1672864, 1777418, 3554836, 7109672, 14219344, 28438688]

約数ペア:

[(1, 28438688), (2, 14219344), (4, 7109672), (8, 3554836), (16, 1777418), (17, 1672864), (32, 888709), (34, 836432), (61, 466208), (68, 418216), (122, 233104), (136, 209108), (244, 116552), (272, 104554), (488, 58276), (544, 52277), (857, 33184), (976, 29138), (1037, 27424), (1714, 16592), (1952, 14569), (2074, 13712), (3428, 8296), (4148, 6856)]