28525428

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{733}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 76946688

約数和(自身を除く): 48421260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 69, 92, 94, 138, 141, 188, 207, 276, 282, 414, 423, 564, 733, 828, 846, 1081, 1466, 1692, 2162, 2199, 2932, 3243, 4324, 4398, 6486, 6597, 8796, 9729, 12972, 13194, 16859, 19458, 26388, 33718, 34451, 38916, 50577, 67436, 68902, 101154, 103353, 137804, 151731, 202308, 206706, 303462, 310059, 413412, 606924, 620118, 792373, 1240236, 1584746, 2377119, 3169492, 4754238, 7131357, 9508476, 14262714, 28525428]

約数ペア:

[(1, 28525428), (2, 14262714), (3, 9508476), (4, 7131357), (6, 4754238), (9, 3169492), (12, 2377119), (18, 1584746), (23, 1240236), (36, 792373), (46, 620118), (47, 606924), (69, 413412), (92, 310059), (94, 303462), (138, 206706), (141, 202308), (188, 151731), (207, 137804), (276, 103353), (282, 101154), (414, 68902), (423, 67436), (564, 50577), (733, 38916), (828, 34451), (846, 33718), (1081, 26388), (1466, 19458), (1692, 16859), (2162, 13194), (2199, 12972), (2932, 9729), (3243, 8796), (4324, 6597), (4398, 6486)]