28780491266

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1\times {\mathrm{4523}}^1$

素因数の和:5198

約数の個数: 32

約数和(自身を含む): 44507473920

約数和(自身を除く): 15726982654

約数列:

[1, 2, 47, 94, 139, 278, 487, 974, 4523, 6533, 9046, 13066, 22889, 45778, 67693, 135386, 212581, 425162, 628697, 1257394, 2202701, 3181571, 4405402, 6363142, 29548759, 59097518, 103526947, 207053894, 306175439, 612350878, 14390245633, 28780491266]

約数ペア:

[(1, 28780491266), (2, 14390245633), (47, 612350878), (94, 306175439), (139, 207053894), (278, 103526947), (487, 59097518), (974, 29548759), (4523, 6363142), (6533, 4405402), (9046, 3181571), (13066, 2202701), (22889, 1257394), (45778, 628697), (67693, 425162), (135386, 212581)]