31281984

素因数分解:

$2^6\times 3^3\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:485

約数の個数: 112

約数和(自身を含む): 94325440

約数和(自身を除く): 63043456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 64, 72, 86, 96, 108, 129, 144, 172, 192, 216, 258, 288, 344, 387, 421, 432, 516, 576, 688, 774, 842, 864, 1032, 1161, 1263, 1376, 1548, 1684, 1728, 2064, 2322, 2526, 2752, 3096, 3368, 3789, 4128, 4644, 5052, 6192, 6736, 7578, 8256, 9288, 10104, 11367, 12384, 13472, 15156, 18103, 18576, 20208, 22734, 24768, 26944, 30312, 36206, 37152, 40416, 45468, 54309, 60624, 72412, 74304, 80832, 90936, 108618, 121248, 144824, 162927, 181872, 217236, 242496, 289648, 325854, 363744, 434472, 488781, 579296, 651708, 727488, 868944, 977562, 1158592, 1303416, 1737888, 1955124, 2606832, 3475776, 3910248, 5213664, 7820496, 10427328, 15640992, 31281984]

約数ペア:

[(1, 31281984), (2, 15640992), (3, 10427328), (4, 7820496), (6, 5213664), (8, 3910248), (9, 3475776), (12, 2606832), (16, 1955124), (18, 1737888), (24, 1303416), (27, 1158592), (32, 977562), (36, 868944), (43, 727488), (48, 651708), (54, 579296), (64, 488781), (72, 434472), (86, 363744), (96, 325854), (108, 289648), (129, 242496), (144, 217236), (172, 181872), (192, 162927), (216, 144824), (258, 121248), (288, 108618), (344, 90936), (387, 80832), (421, 74304), (432, 72412), (516, 60624), (576, 54309), (688, 45468), (774, 40416), (842, 37152), (864, 36206), (1032, 30312), (1161, 26944), (1263, 24768), (1376, 22734), (1548, 20208), (1684, 18576), (1728, 18103), (2064, 15156), (2322, 13472), (2526, 12384), (2752, 11367), (3096, 10104), (3368, 9288), (3789, 8256), (4128, 7578), (4644, 6736), (5052, 6192)]