28000476

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4831}}^1$

素因数の和:4871

約数の個数: 72

約数和(自身を含む): 84424704

約数和(自身を除く): 56424228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 4831, 5796, 9662, 14493, 19324, 28986, 33817, 43479, 57972, 67634, 86958, 101451, 111113, 135268, 173916, 202902, 222226, 304353, 333339, 405804, 444452, 608706, 666678, 777791, 1000017, 1217412, 1333356, 1555582, 2000034, 2333373, 3111164, 4000068, 4666746, 7000119, 9333492, 14000238, 28000476]

約数ペア:

[(1, 28000476), (2, 14000238), (3, 9333492), (4, 7000119), (6, 4666746), (7, 4000068), (9, 3111164), (12, 2333373), (14, 2000034), (18, 1555582), (21, 1333356), (23, 1217412), (28, 1000017), (36, 777791), (42, 666678), (46, 608706), (63, 444452), (69, 405804), (84, 333339), (92, 304353), (126, 222226), (138, 202902), (161, 173916), (207, 135268), (252, 111113), (276, 101451), (322, 86958), (414, 67634), (483, 57972), (644, 43479), (828, 33817), (966, 28986), (1449, 19324), (1932, 14493), (2898, 9662), (4831, 5796)]