28191996

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:528

約数の個数: 96

約数和(自身を含む): 84672000

約数和(自身を除く): 56480004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 89, 108, 126, 178, 189, 252, 267, 356, 378, 419, 534, 623, 756, 801, 838, 1068, 1246, 1257, 1602, 1676, 1869, 2403, 2492, 2514, 2933, 3204, 3738, 3771, 4806, 5028, 5607, 5866, 7476, 7542, 8799, 9612, 11214, 11313, 11732, 15084, 16821, 17598, 22428, 22626, 26397, 33642, 35196, 37291, 45252, 52794, 67284, 74582, 79191, 105588, 111873, 149164, 158382, 223746, 261037, 316764, 335619, 447492, 522074, 671238, 783111, 1006857, 1044148, 1342476, 1566222, 2013714, 2349333, 3132444, 4027428, 4698666, 7047999, 9397332, 14095998, 28191996]

約数ペア:

[(1, 28191996), (2, 14095998), (3, 9397332), (4, 7047999), (6, 4698666), (7, 4027428), (9, 3132444), (12, 2349333), (14, 2013714), (18, 1566222), (21, 1342476), (27, 1044148), (28, 1006857), (36, 783111), (42, 671238), (54, 522074), (63, 447492), (84, 335619), (89, 316764), (108, 261037), (126, 223746), (178, 158382), (189, 149164), (252, 111873), (267, 105588), (356, 79191), (378, 74582), (419, 67284), (534, 52794), (623, 45252), (756, 37291), (801, 35196), (838, 33642), (1068, 26397), (1246, 22626), (1257, 22428), (1602, 17598), (1676, 16821), (1869, 15084), (2403, 11732), (2492, 11313), (2514, 11214), (2933, 9612), (3204, 8799), (3738, 7542), (3771, 7476), (4806, 5866), (5028, 5607)]