401020828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1187}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 775383840

約数和(自身を除く): 374363012

約数列:

[1, 2, 4, 13, 26, 52, 73, 89, 146, 178, 292, 356, 949, 1157, 1187, 1898, 2314, 2374, 3796, 4628, 4748, 6497, 12994, 15431, 25988, 30862, 61724, 84461, 86651, 105643, 168922, 173302, 211286, 337844, 346604, 422572, 1126463, 1373359, 2252926, 2746718, 4505852, 5493436, 7711939, 15423878, 30847756, 100255207, 200510414, 401020828]

約数ペア:

[(1, 401020828), (2, 200510414), (4, 100255207), (13, 30847756), (26, 15423878), (52, 7711939), (73, 5493436), (89, 4505852), (146, 2746718), (178, 2252926), (292, 1373359), (356, 1126463), (949, 422572), (1157, 346604), (1187, 337844), (1898, 211286), (2314, 173302), (2374, 168922), (3796, 105643), (4628, 86651), (4748, 84461), (6497, 61724), (12994, 30862), (15431, 25988)]