66540916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 129548160

約数和(自身を除く): 63007244

約数列:

[1, 2, 4, 13, 26, 52, 67, 71, 134, 142, 268, 269, 284, 538, 871, 923, 1076, 1742, 1846, 3484, 3497, 3692, 4757, 6994, 9514, 13988, 18023, 19028, 19099, 36046, 38198, 61841, 72092, 76396, 123682, 234299, 247364, 248287, 468598, 496574, 937196, 993148, 1279633, 2559266, 5118532, 16635229, 33270458, 66540916]

約数ペア:

[(1, 66540916), (2, 33270458), (4, 16635229), (13, 5118532), (26, 2559266), (52, 1279633), (67, 993148), (71, 937196), (134, 496574), (142, 468598), (268, 248287), (269, 247364), (284, 234299), (538, 123682), (871, 76396), (923, 72092), (1076, 61841), (1742, 38198), (1846, 36046), (3484, 19099), (3497, 19028), (3692, 18023), (4757, 13988), (6994, 9514)]