221567398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1153}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 378050400

約数和(自身を除く): 156483002

約数列:

[1, 2, 13, 19, 26, 38, 247, 389, 494, 778, 1153, 2306, 5057, 7391, 10114, 14782, 14989, 21907, 29978, 43814, 96083, 192166, 284791, 448517, 569582, 897034, 5830721, 8521823, 11661442, 17043646, 110783699, 221567398]

約数ペア:

[(1, 221567398), (2, 110783699), (13, 17043646), (19, 11661442), (26, 8521823), (38, 5830721), (247, 897034), (389, 569582), (494, 448517), (778, 284791), (1153, 192166), (2306, 96083), (5057, 43814), (7391, 29978), (10114, 21907), (14782, 14989)]