71895355

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 110297088

約数和(自身を除く): 38401733

約数列:

[1, 5, 7, 23, 31, 35, 43, 67, 115, 155, 161, 215, 217, 301, 335, 469, 713, 805, 989, 1085, 1333, 1505, 1541, 2077, 2345, 2881, 3565, 4945, 4991, 6665, 6923, 7705, 9331, 10385, 10787, 14405, 14539, 20167, 24955, 30659, 34615, 46655, 47771, 53935, 66263, 72695, 89311, 100835, 153295, 214613, 238855, 331315, 334397, 446555, 463841, 625177, 1073065, 1671985, 2054153, 2319205, 3125885, 10270765, 14379071, 71895355]

約数ペア:

[(1, 71895355), (5, 14379071), (7, 10270765), (23, 3125885), (31, 2319205), (35, 2054153), (43, 1671985), (67, 1073065), (115, 625177), (155, 463841), (161, 446555), (215, 334397), (217, 331315), (301, 238855), (335, 214613), (469, 153295), (713, 100835), (805, 89311), (989, 72695), (1085, 66263), (1333, 53935), (1505, 47771), (1541, 46655), (2077, 34615), (2345, 30659), (2881, 24955), (3565, 20167), (4945, 14539), (4991, 14405), (6665, 10787), (6923, 10385), (7705, 9331)]