25327688

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 53032320

約数和(自身を除く): 27704632

約数列:

[1, 2, 4, 8, 17, 34, 43, 61, 68, 71, 86, 122, 136, 142, 172, 244, 284, 344, 488, 568, 731, 1037, 1207, 1462, 2074, 2414, 2623, 2924, 3053, 4148, 4331, 4828, 5246, 5848, 6106, 8296, 8662, 9656, 10492, 12212, 17324, 20984, 24424, 34648, 44591, 51901, 73627, 89182, 103802, 147254, 178364, 186233, 207604, 294508, 356728, 372466, 415208, 589016, 744932, 1489864, 3165961, 6331922, 12663844, 25327688]

約数ペア:

[(1, 25327688), (2, 12663844), (4, 6331922), (8, 3165961), (17, 1489864), (34, 744932), (43, 589016), (61, 415208), (68, 372466), (71, 356728), (86, 294508), (122, 207604), (136, 186233), (142, 178364), (172, 147254), (244, 103802), (284, 89182), (344, 73627), (488, 51901), (568, 44591), (731, 34648), (1037, 24424), (1207, 20984), (1462, 17324), (2074, 12212), (2414, 10492), (2623, 9656), (2924, 8662), (3053, 8296), (4148, 6106), (4331, 5848), (4828, 5246)]