127287728

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{397}}^1\times {\mathrm{691}}^1$

素因数の和:1125

約数の個数: 40

約数和(自身を含む): 256136880

約数和(自身を除く): 128849152

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 397, 464, 691, 794, 1382, 1588, 2764, 3176, 5528, 6352, 11056, 11513, 20039, 23026, 40078, 46052, 80156, 92104, 160312, 184208, 274327, 320624, 548654, 1097308, 2194616, 4389232, 7955483, 15910966, 31821932, 63643864, 127287728]

約数ペア:

[(1, 127287728), (2, 63643864), (4, 31821932), (8, 15910966), (16, 7955483), (29, 4389232), (58, 2194616), (116, 1097308), (232, 548654), (397, 320624), (464, 274327), (691, 184208), (794, 160312), (1382, 92104), (1588, 80156), (2764, 46052), (3176, 40078), (5528, 23026), (6352, 20039), (11056, 11513)]