28257678

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 64022400

約数和(自身を除く): 35764722

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 89, 93, 178, 186, 267, 279, 534, 558, 569, 801, 1138, 1602, 1707, 2759, 3414, 5121, 5518, 8277, 10242, 16554, 17639, 24831, 35278, 49662, 50641, 52917, 101282, 105834, 151923, 158751, 303846, 317502, 455769, 911538, 1569871, 3139742, 4709613, 9419226, 14128839, 28257678]

約数ペア:

[(1, 28257678), (2, 14128839), (3, 9419226), (6, 4709613), (9, 3139742), (18, 1569871), (31, 911538), (62, 455769), (89, 317502), (93, 303846), (178, 158751), (186, 151923), (267, 105834), (279, 101282), (534, 52917), (558, 50641), (569, 49662), (801, 35278), (1138, 24831), (1602, 17639), (1707, 16554), (2759, 10242), (3414, 8277), (5121, 5518)]