2640520988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{809}}^1\times {\mathrm{6857}}^1$

素因数の和:7694

約数の個数: 48

約数和(自身を含む): 5599419840

約数和(自身を除く): 2958898852

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 809, 1618, 3236, 5663, 6857, 11326, 13714, 13753, 22652, 27428, 27506, 47999, 55012, 95998, 96271, 116569, 191996, 192542, 233138, 385084, 466276, 815983, 1631966, 3263932, 5547313, 11094626, 22189252, 38831191, 77662382, 94304321, 155324764, 188608642, 377217284, 660130247, 1320260494, 2640520988]

約数ペア:

[(1, 2640520988), (2, 1320260494), (4, 660130247), (7, 377217284), (14, 188608642), (17, 155324764), (28, 94304321), (34, 77662382), (68, 38831191), (119, 22189252), (238, 11094626), (476, 5547313), (809, 3263932), (1618, 1631966), (3236, 815983), (5663, 466276), (6857, 385084), (11326, 233138), (13714, 192542), (13753, 191996), (22652, 116569), (27428, 96271), (27506, 95998), (47999, 55012)]