28481936

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2137}}^1$

素因数の和:2176

約数の個数: 60

約数和(自身を含む): 68001228

約数和(自身を除く): 39519292

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 238, 272, 392, 476, 784, 833, 952, 1666, 1904, 2137, 3332, 4274, 6664, 8548, 13328, 14959, 17096, 29918, 34192, 36329, 59836, 72658, 104713, 119672, 145316, 209426, 239344, 254303, 290632, 418852, 508606, 581264, 837704, 1017212, 1675408, 1780121, 2034424, 3560242, 4068848, 7120484, 14240968, 28481936]

約数ペア:

[(1, 28481936), (2, 14240968), (4, 7120484), (7, 4068848), (8, 3560242), (14, 2034424), (16, 1780121), (17, 1675408), (28, 1017212), (34, 837704), (49, 581264), (56, 508606), (68, 418852), (98, 290632), (112, 254303), (119, 239344), (136, 209426), (196, 145316), (238, 119672), (272, 104713), (392, 72658), (476, 59836), (784, 36329), (833, 34192), (952, 29918), (1666, 17096), (1904, 14959), (2137, 13328), (3332, 8548), (4274, 6664)]