8405068

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 18800880

約数和(自身を除く): 10395812

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 49, 61, 74, 76, 98, 122, 133, 148, 196, 244, 259, 266, 427, 518, 532, 703, 854, 931, 1036, 1159, 1406, 1708, 1813, 1862, 2257, 2318, 2812, 2989, 3626, 3724, 4514, 4636, 4921, 5978, 7252, 8113, 9028, 9842, 11956, 15799, 16226, 19684, 31598, 32452, 34447, 42883, 56791, 63196, 68894, 85766, 110593, 113582, 137788, 171532, 221186, 227164, 300181, 442372, 600362, 1200724, 2101267, 4202534, 8405068]

約数ペア:

[(1, 8405068), (2, 4202534), (4, 2101267), (7, 1200724), (14, 600362), (19, 442372), (28, 300181), (37, 227164), (38, 221186), (49, 171532), (61, 137788), (74, 113582), (76, 110593), (98, 85766), (122, 68894), (133, 63196), (148, 56791), (196, 42883), (244, 34447), (259, 32452), (266, 31598), (427, 19684), (518, 16226), (532, 15799), (703, 11956), (854, 9842), (931, 9028), (1036, 8113), (1159, 7252), (1406, 5978), (1708, 4921), (1813, 4636), (1862, 4514), (2257, 3724), (2318, 3626), (2812, 2989)]