71551172

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 72

約数和(自身を含む): 160876800

約数和(自身を除く): 89325628

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 343, 431, 484, 539, 686, 847, 862, 1078, 1372, 1694, 1724, 2156, 3017, 3388, 3773, 4741, 5929, 6034, 7546, 9482, 11858, 12068, 15092, 18964, 21119, 23716, 33187, 41503, 42238, 52151, 66374, 83006, 84476, 104302, 132748, 147833, 166012, 208604, 232309, 295666, 365057, 464618, 591332, 730114, 929236, 1460228, 1626163, 2555399, 3252326, 5110798, 6504652, 10221596, 17887793, 35775586, 71551172]

約数ペア:

[(1, 71551172), (2, 35775586), (4, 17887793), (7, 10221596), (11, 6504652), (14, 5110798), (22, 3252326), (28, 2555399), (44, 1626163), (49, 1460228), (77, 929236), (98, 730114), (121, 591332), (154, 464618), (196, 365057), (242, 295666), (308, 232309), (343, 208604), (431, 166012), (484, 147833), (539, 132748), (686, 104302), (847, 84476), (862, 83006), (1078, 66374), (1372, 52151), (1694, 42238), (1724, 41503), (2156, 33187), (3017, 23716), (3388, 21119), (3773, 18964), (4741, 15092), (5929, 12068), (6034, 11858), (7546, 9482)]