28405944

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{18787}}^1$

素因数の和:18809

約数の個数: 64

約数和(自身を含む): 90182400

約数和(自身を除く): 61776456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 18787, 37574, 56361, 75148, 112722, 131509, 150296, 169083, 225444, 263018, 338166, 394527, 450888, 507249, 526036, 676332, 789054, 1014498, 1052072, 1183581, 1352664, 1578108, 2028996, 2367162, 3156216, 3550743, 4057992, 4734324, 7101486, 9468648, 14202972, 28405944]

約数ペア:

[(1, 28405944), (2, 14202972), (3, 9468648), (4, 7101486), (6, 4734324), (7, 4057992), (8, 3550743), (9, 3156216), (12, 2367162), (14, 2028996), (18, 1578108), (21, 1352664), (24, 1183581), (27, 1052072), (28, 1014498), (36, 789054), (42, 676332), (54, 526036), (56, 507249), (63, 450888), (72, 394527), (84, 338166), (108, 263018), (126, 225444), (168, 169083), (189, 150296), (216, 131509), (252, 112722), (378, 75148), (504, 56361), (756, 37574), (1512, 18787)]