161809568

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 325503360

約数和(自身を除く): 163693792

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 229, 284, 311, 458, 568, 622, 916, 1136, 1244, 1832, 2272, 2488, 3664, 4976, 7328, 9952, 16259, 22081, 32518, 44162, 65036, 71219, 88324, 130072, 142438, 176648, 260144, 284876, 353296, 520288, 569752, 706592, 1139504, 2279008, 5056549, 10113098, 20226196, 40452392, 80904784, 161809568]

約数ペア:

[(1, 161809568), (2, 80904784), (4, 40452392), (8, 20226196), (16, 10113098), (32, 5056549), (71, 2279008), (142, 1139504), (229, 706592), (284, 569752), (311, 520288), (458, 353296), (568, 284876), (622, 260144), (916, 176648), (1136, 142438), (1244, 130072), (1832, 88324), (2272, 71219), (2488, 65036), (3664, 44162), (4976, 32518), (7328, 22081), (9952, 16259)]