28308084

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1605

約数の個数: 72

約数和(自身を含む): 79365888

約数和(自身を除く): 51057804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 62, 84, 93, 98, 124, 147, 186, 196, 217, 294, 372, 434, 588, 651, 868, 1302, 1519, 1553, 2604, 3038, 3106, 4557, 4659, 6076, 6212, 9114, 9318, 10871, 18228, 18636, 21742, 32613, 43484, 48143, 65226, 76097, 96286, 130452, 144429, 152194, 192572, 228291, 288858, 304388, 337001, 456582, 577716, 674002, 913164, 1011003, 1348004, 2022006, 2359007, 4044012, 4718014, 7077021, 9436028, 14154042, 28308084]

約数ペア:

[(1, 28308084), (2, 14154042), (3, 9436028), (4, 7077021), (6, 4718014), (7, 4044012), (12, 2359007), (14, 2022006), (21, 1348004), (28, 1011003), (31, 913164), (42, 674002), (49, 577716), (62, 456582), (84, 337001), (93, 304388), (98, 288858), (124, 228291), (147, 192572), (186, 152194), (196, 144429), (217, 130452), (294, 96286), (372, 76097), (434, 65226), (588, 48143), (651, 43484), (868, 32613), (1302, 21742), (1519, 18636), (1553, 18228), (2604, 10871), (3038, 9318), (3106, 9114), (4557, 6212), (4659, 6076)]