1581286356

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^3\times {\mathrm{19993}}^1$

素因数の和:20042

約数の個数: 72

約数和(自身を含む): 4330300520

約数和(自身を除く): 2749014164

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 2197, 3042, 4394, 6084, 6591, 8788, 13182, 19773, 19993, 26364, 39546, 39986, 59979, 79092, 79972, 119958, 179937, 239916, 259909, 359874, 519818, 719748, 779727, 1039636, 1559454, 2339181, 3118908, 3378817, 4678362, 6757634, 9356724, 10136451, 13515268, 20272902, 30409353, 40545804, 43924621, 60818706, 87849242, 121637412, 131773863, 175698484, 263547726, 395321589, 527095452, 790643178, 1581286356]

約数ペア:

[(1, 1581286356), (2, 790643178), (3, 527095452), (4, 395321589), (6, 263547726), (9, 175698484), (12, 131773863), (13, 121637412), (18, 87849242), (26, 60818706), (36, 43924621), (39, 40545804), (52, 30409353), (78, 20272902), (117, 13515268), (156, 10136451), (169, 9356724), (234, 6757634), (338, 4678362), (468, 3378817), (507, 3118908), (676, 2339181), (1014, 1559454), (1521, 1039636), (2028, 779727), (2197, 719748), (3042, 519818), (4394, 359874), (6084, 259909), (6591, 239916), (8788, 179937), (13182, 119958), (19773, 79972), (19993, 79092), (26364, 59979), (39546, 39986)]