538778786

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{701}}^1$

素因数の和:867

約数の個数: 64

約数和(自身を含む): 1030288896

約数和(自身を除く): 491510110

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 103, 182, 206, 287, 533, 574, 701, 721, 1066, 1339, 1402, 1442, 2678, 3731, 4223, 4907, 7462, 8446, 9113, 9373, 9814, 18226, 18746, 28741, 29561, 54899, 57482, 59122, 63791, 72203, 109798, 127582, 144406, 201187, 373633, 384293, 402374, 505421, 747266, 768586, 938639, 1010842, 1877278, 2615431, 2960323, 5230862, 5920646, 6570473, 13140946, 20722261, 38484199, 41444522, 76968398, 269389393, 538778786]

約数ペア:

[(1, 538778786), (2, 269389393), (7, 76968398), (13, 41444522), (14, 38484199), (26, 20722261), (41, 13140946), (82, 6570473), (91, 5920646), (103, 5230862), (182, 2960323), (206, 2615431), (287, 1877278), (533, 1010842), (574, 938639), (701, 768586), (721, 747266), (1066, 505421), (1339, 402374), (1402, 384293), (1442, 373633), (2678, 201187), (3731, 144406), (4223, 127582), (4907, 109798), (7462, 72203), (8446, 63791), (9113, 59122), (9373, 57482), (9814, 54899), (18226, 29561), (18746, 28741)]