71690872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{971}}^1$

素因数の和:1827

約数の個数: 32

約数和(自身を含む): 146966400

約数和(自身を除く): 75275528

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 839, 971, 1678, 1942, 3356, 3884, 6712, 7768, 9229, 10681, 18458, 21362, 36916, 42724, 73832, 85448, 814669, 1629338, 3258676, 6517352, 8961359, 17922718, 35845436, 71690872]

約数ペア:

[(1, 71690872), (2, 35845436), (4, 17922718), (8, 8961359), (11, 6517352), (22, 3258676), (44, 1629338), (88, 814669), (839, 85448), (971, 73832), (1678, 42724), (1942, 36916), (3356, 21362), (3884, 18458), (6712, 10681), (7768, 9229)]