205222108

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1399}}^1$

素因数の和:1467

約数の個数: 72

約数和(自身を含む): 459110400

約数和(自身を除く): 253888292

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 676, 806, 868, 1183, 1399, 1612, 2366, 2798, 2821, 4732, 5239, 5596, 5642, 9793, 10478, 11284, 18187, 19586, 20956, 36374, 36673, 39172, 43369, 72748, 73346, 86738, 127309, 146692, 173476, 236431, 254618, 303583, 472862, 509236, 563797, 607166, 945724, 1127594, 1214332, 1655017, 2255188, 3310034, 3946579, 6620068, 7329361, 7893158, 14658722, 15786316, 29317444, 51305527, 102611054, 205222108]

約数ペア:

[(1, 205222108), (2, 102611054), (4, 51305527), (7, 29317444), (13, 15786316), (14, 14658722), (26, 7893158), (28, 7329361), (31, 6620068), (52, 3946579), (62, 3310034), (91, 2255188), (124, 1655017), (169, 1214332), (182, 1127594), (217, 945724), (338, 607166), (364, 563797), (403, 509236), (434, 472862), (676, 303583), (806, 254618), (868, 236431), (1183, 173476), (1399, 146692), (1612, 127309), (2366, 86738), (2798, 73346), (2821, 72748), (4732, 43369), (5239, 39172), (5596, 36673), (5642, 36374), (9793, 20956), (10478, 19586), (11284, 18187)]