28141428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 78962688

約数和(自身を除く): 50821260

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 84, 93, 101, 107, 124, 186, 202, 214, 217, 303, 321, 372, 404, 428, 434, 606, 642, 651, 707, 749, 868, 1212, 1284, 1302, 1414, 1498, 2121, 2247, 2604, 2828, 2996, 3131, 3317, 4242, 4494, 6262, 6634, 8484, 8988, 9393, 9951, 10807, 12524, 13268, 18786, 19902, 21614, 21917, 23219, 32421, 37572, 39804, 43228, 43834, 46438, 64842, 65751, 69657, 75649, 87668, 92876, 129684, 131502, 139314, 151298, 226947, 263004, 278628, 302596, 335017, 453894, 670034, 907788, 1005051, 1340068, 2010102, 2345119, 4020204, 4690238, 7035357, 9380476, 14070714, 28141428]

約数ペア:

[(1, 28141428), (2, 14070714), (3, 9380476), (4, 7035357), (6, 4690238), (7, 4020204), (12, 2345119), (14, 2010102), (21, 1340068), (28, 1005051), (31, 907788), (42, 670034), (62, 453894), (84, 335017), (93, 302596), (101, 278628), (107, 263004), (124, 226947), (186, 151298), (202, 139314), (214, 131502), (217, 129684), (303, 92876), (321, 87668), (372, 75649), (404, 69657), (428, 65751), (434, 64842), (606, 46438), (642, 43834), (651, 43228), (707, 39804), (749, 37572), (868, 32421), (1212, 23219), (1284, 21917), (1302, 21614), (1414, 19902), (1498, 18786), (2121, 13268), (2247, 12524), (2604, 10807), (2828, 9951), (2996, 9393), (3131, 8988), (3317, 8484), (4242, 6634), (4494, 6262)]