91219705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 119911968

約数和(自身を除く): 28692263

約数列:

[1, 5, 17, 61, 73, 85, 241, 305, 365, 1037, 1205, 1241, 4097, 4453, 5185, 6205, 14701, 17593, 20485, 22265, 73505, 75701, 87965, 249917, 299081, 378505, 1073173, 1249585, 1495405, 5365865, 18243941, 91219705]

約数ペア:

[(1, 91219705), (5, 18243941), (17, 5365865), (61, 1495405), (73, 1249585), (85, 1073173), (241, 378505), (305, 299081), (365, 249917), (1037, 87965), (1205, 75701), (1241, 73505), (4097, 22265), (4453, 20485), (5185, 17593), (6205, 14701)]