87438576.000000000

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1399}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 332640000

約数和(自身を除く): 187468568

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 109, 119, 136, 218, 238, 436, 476, 763, 872, 952, 1399, 1526, 1853, 2798, 3052, 3706, 5596, 6104, 7412, 9793, 11192, 12971, 14824, 19586, 23783, 25942, 39172, 47566, 51884, 78344, 95132, 103768, 152491, 166481, 190264, 304982, 332962, 609964, 665924, 1067437, 1219928, 1331848, 2134874, 2592347, 4269748, 5184694, 8539496, 10369388, 18146429, 20738776, 36292858, 72585716, 145171432]

約数ペア:

[(1, 145171432), (2, 72585716), (4, 36292858), (7, 20738776), (8, 18146429), (14, 10369388), (17, 8539496), (28, 5184694), (34, 4269748), (56, 2592347), (68, 2134874), (109, 1331848), (119, 1219928), (136, 1067437), (218, 665924), (238, 609964), (436, 332962), (476, 304982), (763, 190264), (872, 166481), (952, 152491), (1399, 103768), (1526, 95132), (1853, 78344), (2798, 51884), (3052, 47566), (3706, 39172), (5596, 25942), (6104, 23783), (7412, 19586), (9793, 14824), (11192, 12971)]