128427544

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2551}}^1$

素因数の和:2624

約数の個数: 64

約数和(自身を含む): 293990400

約数和(自身を除く): 165562856

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 31, 56, 58, 62, 116, 124, 203, 217, 232, 248, 406, 434, 812, 868, 899, 1624, 1736, 1798, 2551, 3596, 5102, 6293, 7192, 10204, 12586, 17857, 20408, 25172, 35714, 50344, 71428, 73979, 79081, 142856, 147958, 158162, 295916, 316324, 517853, 553567, 591832, 632648, 1035706, 1107134, 2071412, 2214268, 2293349, 4142824, 4428536, 4586698, 9173396, 16053443, 18346792, 32106886, 64213772, 128427544]

約数ペア:

[(1, 128427544), (2, 64213772), (4, 32106886), (7, 18346792), (8, 16053443), (14, 9173396), (28, 4586698), (29, 4428536), (31, 4142824), (56, 2293349), (58, 2214268), (62, 2071412), (116, 1107134), (124, 1035706), (203, 632648), (217, 591832), (232, 553567), (248, 517853), (406, 316324), (434, 295916), (812, 158162), (868, 147958), (899, 142856), (1624, 79081), (1736, 73979), (1798, 71428), (2551, 50344), (3596, 35714), (5102, 25172), (6293, 20408), (7192, 17857), (10204, 12586)]