208570792628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{641701}}^1$

素因数の和:641888

約数の個数: 48

約数和(自身を含む): 407506438080

約数和(自身を除く): 198935645452

約数列:

[1, 2, 4, 11, 22, 44, 83, 89, 166, 178, 332, 356, 913, 979, 1826, 1958, 3652, 3916, 7387, 14774, 29548, 81257, 162514, 325028, 641701, 1283402, 2566804, 7058711, 14117422, 28234844, 53261183, 57111389, 106522366, 114222778, 213044732, 228445556, 585873013, 628225279, 1171746026, 1256450558, 2343492052, 2512901116, 4740245287, 9480490574, 18960981148, 52142698157, 104285396314, 208570792628]

約数ペア:

[(1, 208570792628), (2, 104285396314), (4, 52142698157), (11, 18960981148), (22, 9480490574), (44, 4740245287), (83, 2512901116), (89, 2343492052), (166, 1256450558), (178, 1171746026), (332, 628225279), (356, 585873013), (913, 228445556), (979, 213044732), (1826, 114222778), (1958, 106522366), (3652, 57111389), (3916, 53261183), (7387, 28234844), (14774, 14117422), (29548, 7058711), (81257, 2566804), (162514, 1283402), (325028, 641701)]