28990180406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1\times {\mathrm{877}}^1$

素因数の和:1437

約数の個数: 64

約数和(自身を含む): 49299376896

約数和(自身を除く): 20309196490

約数列:

[1, 2, 11, 22, 43, 83, 86, 166, 421, 473, 842, 877, 913, 946, 1754, 1826, 3569, 4631, 7138, 9262, 9647, 18103, 19294, 34943, 36206, 37711, 39259, 69886, 72791, 75422, 78518, 145582, 199133, 369217, 384373, 398266, 414821, 738434, 768746, 800701, 829642, 1502549, 1601402, 3005098, 3130013, 4061387, 6260026, 8122774, 15876331, 16528039, 30645011, 31752662, 33056078, 34430143, 61290022, 68860286, 174639641, 337095121, 349279282, 674190242, 1317735473, 2635470946, 14495090203, 28990180406]

約数ペア:

[(1, 28990180406), (2, 14495090203), (11, 2635470946), (22, 1317735473), (43, 674190242), (83, 349279282), (86, 337095121), (166, 174639641), (421, 68860286), (473, 61290022), (842, 34430143), (877, 33056078), (913, 31752662), (946, 30645011), (1754, 16528039), (1826, 15876331), (3569, 8122774), (4631, 6260026), (7138, 4061387), (9262, 3130013), (9647, 3005098), (18103, 1601402), (19294, 1502549), (34943, 829642), (36206, 800701), (37711, 768746), (39259, 738434), (69886, 414821), (72791, 398266), (75422, 384373), (78518, 369217), (145582, 199133)]