77840728

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{12301}}^1$

素因数の和:12427

約数の個数: 32

約数和(自身を含む): 168291360

約数和(自身を除く): 90450632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 226, 452, 791, 904, 1582, 3164, 6328, 12301, 24602, 49204, 86107, 98408, 172214, 344428, 688856, 1390013, 2780026, 5560052, 9730091, 11120104, 19460182, 38920364, 77840728]

約数ペア:

[(1, 77840728), (2, 38920364), (4, 19460182), (7, 11120104), (8, 9730091), (14, 5560052), (28, 2780026), (56, 1390013), (113, 688856), (226, 344428), (452, 172214), (791, 98408), (904, 86107), (1582, 49204), (3164, 24602), (6328, 12301)]