28438284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 79937536

約数和(自身を除く): 51499252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 67, 84, 93, 124, 134, 163, 186, 201, 217, 268, 326, 372, 402, 434, 469, 489, 651, 652, 804, 868, 938, 978, 1141, 1302, 1407, 1876, 1956, 2077, 2282, 2604, 2814, 3423, 4154, 4564, 5053, 5628, 6231, 6846, 8308, 10106, 10921, 12462, 13692, 14539, 15159, 20212, 21842, 24924, 29078, 30318, 32763, 35371, 43617, 43684, 58156, 60636, 65526, 70742, 76447, 87234, 106113, 131052, 141484, 152894, 174468, 212226, 229341, 305788, 338551, 424452, 458682, 677102, 917364, 1015653, 1354204, 2031306, 2369857, 4062612, 4739714, 7109571, 9479428, 14219142, 28438284]

約数ペア:

[(1, 28438284), (2, 14219142), (3, 9479428), (4, 7109571), (6, 4739714), (7, 4062612), (12, 2369857), (14, 2031306), (21, 1354204), (28, 1015653), (31, 917364), (42, 677102), (62, 458682), (67, 424452), (84, 338551), (93, 305788), (124, 229341), (134, 212226), (163, 174468), (186, 152894), (201, 141484), (217, 131052), (268, 106113), (326, 87234), (372, 76447), (402, 70742), (434, 65526), (469, 60636), (489, 58156), (651, 43684), (652, 43617), (804, 35371), (868, 32763), (938, 30318), (978, 29078), (1141, 24924), (1302, 21842), (1407, 20212), (1876, 15159), (1956, 14539), (2077, 13692), (2282, 12462), (2604, 10921), (2814, 10106), (3423, 8308), (4154, 6846), (4564, 6231), (5053, 5628)]