28257788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 57647520

約数和(自身を除く): 29389732

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 52, 74, 76, 148, 247, 481, 494, 703, 773, 962, 988, 1406, 1546, 1924, 2812, 3092, 9139, 10049, 14687, 18278, 20098, 28601, 29374, 36556, 40196, 57202, 58748, 114404, 190931, 371813, 381862, 543419, 743626, 763724, 1086838, 1487252, 2173676, 7064447, 14128894, 28257788]

約数ペア:

[(1, 28257788), (2, 14128894), (4, 7064447), (13, 2173676), (19, 1487252), (26, 1086838), (37, 763724), (38, 743626), (52, 543419), (74, 381862), (76, 371813), (148, 190931), (247, 114404), (481, 58748), (494, 57202), (703, 40196), (773, 36556), (962, 29374), (988, 28601), (1406, 20098), (1546, 18278), (1924, 14687), (2812, 10049), (3092, 9139)]