1255551488

素因数分解:

$2^9\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{347}}^1$

素因数の和:593

約数の個数: 80

約数和(自身を含む): 2597405184

約数和(自身を除く): 1341853696

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 191, 256, 296, 347, 382, 512, 592, 694, 764, 1184, 1388, 1528, 2368, 2776, 3056, 4736, 5552, 6112, 7067, 9472, 11104, 12224, 12839, 14134, 18944, 22208, 24448, 25678, 28268, 44416, 48896, 51356, 56536, 66277, 88832, 97792, 102712, 113072, 132554, 177664, 205424, 226144, 265108, 410848, 452288, 530216, 821696, 904576, 1060432, 1643392, 1809152, 2120864, 2452249, 3286784, 3618304, 4241728, 4904498, 6573568, 8483456, 9808996, 16966912, 19617992, 33933824, 39235984, 78471968, 156943936, 313887872, 627775744, 1255551488]

約数ペア:

[(1, 1255551488), (2, 627775744), (4, 313887872), (8, 156943936), (16, 78471968), (32, 39235984), (37, 33933824), (64, 19617992), (74, 16966912), (128, 9808996), (148, 8483456), (191, 6573568), (256, 4904498), (296, 4241728), (347, 3618304), (382, 3286784), (512, 2452249), (592, 2120864), (694, 1809152), (764, 1643392), (1184, 1060432), (1388, 904576), (1528, 821696), (2368, 530216), (2776, 452288), (3056, 410848), (4736, 265108), (5552, 226144), (6112, 205424), (7067, 177664), (9472, 132554), (11104, 113072), (12224, 102712), (12839, 97792), (14134, 88832), (18944, 66277), (22208, 56536), (24448, 51356), (25678, 48896), (28268, 44416)]