31012142

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 60410880

約数和(自身を除く): 29398738

約数列:

[1, 2, 7, 14, 19, 23, 37, 38, 46, 74, 133, 137, 161, 259, 266, 274, 322, 437, 518, 703, 851, 874, 959, 1406, 1702, 1918, 2603, 3059, 3151, 4921, 5069, 5206, 5957, 6118, 6302, 9842, 10138, 11914, 16169, 18221, 22057, 32338, 35483, 36442, 44114, 59869, 70966, 96311, 113183, 116587, 119738, 192622, 226366, 233174, 419083, 674177, 816109, 838166, 1348354, 1632218, 2215153, 4430306, 15506071, 31012142]

約数ペア:

[(1, 31012142), (2, 15506071), (7, 4430306), (14, 2215153), (19, 1632218), (23, 1348354), (37, 838166), (38, 816109), (46, 674177), (74, 419083), (133, 233174), (137, 226366), (161, 192622), (259, 119738), (266, 116587), (274, 113183), (322, 96311), (437, 70966), (518, 59869), (703, 44114), (851, 36442), (874, 35483), (959, 32338), (1406, 22057), (1702, 18221), (1918, 16169), (2603, 11914), (3059, 10138), (3151, 9842), (4921, 6302), (5069, 6118), (5206, 5957)]