66650896

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{157}}^2$

素因数の和:348

約数の個数: 45

約数和(自身を含む): 140730111

約数和(自身を除く): 74079215

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 169, 208, 314, 338, 628, 676, 1256, 1352, 2041, 2512, 2704, 4082, 8164, 16328, 24649, 26533, 32656, 49298, 53066, 98596, 106132, 197192, 212264, 320437, 394384, 424528, 640874, 1281748, 2563496, 4165681, 5126992, 8331362, 16662724, 33325448, 66650896]

約数ペア:

[(1, 66650896), (2, 33325448), (4, 16662724), (8, 8331362), (13, 5126992), (16, 4165681), (26, 2563496), (52, 1281748), (104, 640874), (157, 424528), (169, 394384), (208, 320437), (314, 212264), (338, 197192), (628, 106132), (676, 98596), (1256, 53066), (1352, 49298), (2041, 32656), (2512, 26533), (2704, 24649), (4082, 16328)]