28682706

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 66382848

約数和(自身を除く): 37700142

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 97, 102, 194, 221, 223, 291, 442, 446, 582, 663, 669, 1261, 1326, 1338, 1649, 2522, 2899, 3298, 3783, 3791, 4947, 5798, 7566, 7582, 8697, 9894, 11373, 17394, 21437, 21631, 22746, 42874, 43262, 49283, 64311, 64893, 98566, 128622, 129786, 147849, 281203, 295698, 367727, 562406, 735454, 843609, 1103181, 1687218, 2206362, 4780451, 9560902, 14341353, 28682706]

約数ペア:

[(1, 28682706), (2, 14341353), (3, 9560902), (6, 4780451), (13, 2206362), (17, 1687218), (26, 1103181), (34, 843609), (39, 735454), (51, 562406), (78, 367727), (97, 295698), (102, 281203), (194, 147849), (221, 129786), (223, 128622), (291, 98566), (442, 64893), (446, 64311), (582, 49283), (663, 43262), (669, 42874), (1261, 22746), (1326, 21631), (1338, 21437), (1649, 17394), (2522, 11373), (2899, 9894), (3298, 8697), (3783, 7582), (3791, 7566), (4947, 5798)]