161953715

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1327}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 243247104

約数和(自身を除く): 81293389

約数列:

[1, 5, 7, 11, 35, 55, 77, 317, 385, 1327, 1585, 2219, 3487, 6635, 9289, 11095, 14597, 17435, 24409, 46445, 72985, 102179, 122045, 420659, 510895, 2103295, 2944613, 4627249, 14723065, 23136245, 32390743, 161953715]

約数ペア:

[(1, 161953715), (5, 32390743), (7, 23136245), (11, 14723065), (35, 4627249), (55, 2944613), (77, 2103295), (317, 510895), (385, 420659), (1327, 122045), (1585, 102179), (2219, 72985), (3487, 46445), (6635, 24409), (9289, 17435), (11095, 14597)]