31748792

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 66290400

約数和(自身を除く): 34541608

約数列:

[1, 2, 4, 8, 17, 34, 43, 61, 68, 86, 89, 122, 136, 172, 178, 244, 344, 356, 488, 712, 731, 1037, 1462, 1513, 2074, 2623, 2924, 3026, 3827, 4148, 5246, 5429, 5848, 6052, 7654, 8296, 10492, 10858, 12104, 15308, 20984, 21716, 30616, 43432, 44591, 65059, 89182, 92293, 130118, 178364, 184586, 233447, 260236, 356728, 369172, 466894, 520472, 738344, 933788, 1867576, 3968599, 7937198, 15874396, 31748792]

約数ペア:

[(1, 31748792), (2, 15874396), (4, 7937198), (8, 3968599), (17, 1867576), (34, 933788), (43, 738344), (61, 520472), (68, 466894), (86, 369172), (89, 356728), (122, 260236), (136, 233447), (172, 184586), (178, 178364), (244, 130118), (344, 92293), (356, 89182), (488, 65059), (712, 44591), (731, 43432), (1037, 30616), (1462, 21716), (1513, 20984), (2074, 15308), (2623, 12104), (2924, 10858), (3026, 10492), (3827, 8296), (4148, 7654), (5246, 6052), (5429, 5848)]