28016436

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 82736640

約数和(自身を除く): 54720204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 31, 42, 49, 53, 58, 62, 84, 87, 93, 98, 106, 116, 124, 147, 159, 174, 186, 196, 203, 212, 217, 294, 318, 348, 371, 372, 406, 434, 588, 609, 636, 651, 742, 812, 868, 899, 1113, 1218, 1302, 1421, 1484, 1519, 1537, 1643, 1798, 2226, 2436, 2597, 2604, 2697, 2842, 3038, 3074, 3286, 3596, 4263, 4452, 4557, 4611, 4929, 5194, 5394, 5684, 6076, 6148, 6293, 6572, 7791, 8526, 9114, 9222, 9858, 10388, 10759, 10788, 11501, 12586, 15582, 17052, 18228, 18444, 18879, 19716, 21518, 23002, 25172, 31164, 32277, 34503, 37758, 43036, 44051, 46004, 47647, 64554, 69006, 75313, 75516, 80507, 88102, 95294, 129108, 132153, 138012, 142941, 150626, 161014, 176204, 190588, 225939, 241521, 264306, 285882, 301252, 322028, 333529, 451878, 483042, 528612, 571764, 667058, 903756, 966084, 1000587, 1334116, 2001174, 2334703, 4002348, 4669406, 7004109, 9338812, 14008218, 28016436]

約数ペア:

[(1, 28016436), (2, 14008218), (3, 9338812), (4, 7004109), (6, 4669406), (7, 4002348), (12, 2334703), (14, 2001174), (21, 1334116), (28, 1000587), (29, 966084), (31, 903756), (42, 667058), (49, 571764), (53, 528612), (58, 483042), (62, 451878), (84, 333529), (87, 322028), (93, 301252), (98, 285882), (106, 264306), (116, 241521), (124, 225939), (147, 190588), (159, 176204), (174, 161014), (186, 150626), (196, 142941), (203, 138012), (212, 132153), (217, 129108), (294, 95294), (318, 88102), (348, 80507), (371, 75516), (372, 75313), (406, 69006), (434, 64554), (588, 47647), (609, 46004), (636, 44051), (651, 43036), (742, 37758), (812, 34503), (868, 32277), (899, 31164), (1113, 25172), (1218, 23002), (1302, 21518), (1421, 19716), (1484, 18879), (1519, 18444), (1537, 18228), (1643, 17052), (1798, 15582), (2226, 12586), (2436, 11501), (2597, 10788), (2604, 10759), (2697, 10388), (2842, 9858), (3038, 9222), (3074, 9114), (3286, 8526), (3596, 7791), (4263, 6572), (4452, 6293), (4557, 6148), (4611, 6076), (4929, 5684), (5194, 5394)]