16857189972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{481249}}^1$

素因数の和:481405

約数の個数: 72

約数和(自身を含む): 49049000000

約数和(自身を除く): 32191810028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 556, 834, 973, 1251, 1668, 1946, 2502, 2919, 3892, 5004, 5838, 8757, 11676, 17514, 35028, 481249, 962498, 1443747, 1924996, 2887494, 3368743, 4331241, 5774988, 6737486, 8662482, 10106229, 13474972, 17324964, 20212458, 30318687, 40424916, 60637374, 66893611, 121274748, 133787222, 200680833, 267574444, 401361666, 468255277, 602042499, 802723332, 936510554, 1204084998, 1404765831, 1873021108, 2408169996, 2809531662, 4214297493, 5619063324, 8428594986, 16857189972]

約数ペア:

[(1, 16857189972), (2, 8428594986), (3, 5619063324), (4, 4214297493), (6, 2809531662), (7, 2408169996), (9, 1873021108), (12, 1404765831), (14, 1204084998), (18, 936510554), (21, 802723332), (28, 602042499), (36, 468255277), (42, 401361666), (63, 267574444), (84, 200680833), (126, 133787222), (139, 121274748), (252, 66893611), (278, 60637374), (417, 40424916), (556, 30318687), (834, 20212458), (973, 17324964), (1251, 13474972), (1668, 10106229), (1946, 8662482), (2502, 6737486), (2919, 5774988), (3892, 4331241), (5004, 3368743), (5838, 2887494), (8757, 1924996), (11676, 1443747), (17514, 962498), (35028, 481249)]