201971308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{479}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 453841920

約数和(自身を除く): 251870612

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 479, 518, 814, 958, 1036, 1369, 1628, 1916, 2738, 2849, 3353, 5269, 5476, 5698, 6706, 9583, 10538, 11396, 13412, 15059, 17723, 19166, 21076, 30118, 35446, 36883, 38332, 60236, 70892, 73766, 105413, 124061, 147532, 194953, 210826, 248122, 389906, 421652, 496244, 655751, 779812, 1311502, 1364671, 2623004, 2729342, 4590257, 5458684, 7213261, 9180514, 14426522, 18361028, 28853044, 50492827, 100985654, 201971308]

約数ペア:

[(1, 201971308), (2, 100985654), (4, 50492827), (7, 28853044), (11, 18361028), (14, 14426522), (22, 9180514), (28, 7213261), (37, 5458684), (44, 4590257), (74, 2729342), (77, 2623004), (148, 1364671), (154, 1311502), (259, 779812), (308, 655751), (407, 496244), (479, 421652), (518, 389906), (814, 248122), (958, 210826), (1036, 194953), (1369, 147532), (1628, 124061), (1916, 105413), (2738, 73766), (2849, 70892), (3353, 60236), (5269, 38332), (5476, 36883), (5698, 35446), (6706, 30118), (9583, 21076), (10538, 19166), (11396, 17723), (13412, 15059)]