1388439904

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{919}}^1\times {\mathrm{1523}}^1$

素因数の和:2483

約数の個数: 48

約数和(自身を含む): 2826593280

約数和(自身を除く): 1438153376

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 919, 992, 1523, 1838, 3046, 3676, 6092, 7352, 12184, 14704, 24368, 28489, 29408, 47213, 48736, 56978, 94426, 113956, 188852, 227912, 377704, 455824, 755408, 911648, 1399637, 1510816, 2799274, 5598548, 11197096, 22394192, 43388747, 44788384, 86777494, 173554988, 347109976, 694219952, 1388439904]

約数ペア:

[(1, 1388439904), (2, 694219952), (4, 347109976), (8, 173554988), (16, 86777494), (31, 44788384), (32, 43388747), (62, 22394192), (124, 11197096), (248, 5598548), (496, 2799274), (919, 1510816), (992, 1399637), (1523, 911648), (1838, 755408), (3046, 455824), (3676, 377704), (6092, 227912), (7352, 188852), (12184, 113956), (14704, 94426), (24368, 56978), (28489, 48736), (29408, 47213)]