28659930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1775

約数の個数: 64

約数和(自身を含む): 75841920

約数和(自身を除く): 47181990

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 1118, 1290, 1677, 1709, 2795, 3354, 3418, 5127, 5590, 8385, 8545, 10254, 16770, 17090, 22217, 25635, 44434, 51270, 66651, 73487, 111085, 133302, 146974, 220461, 222170, 333255, 367435, 440922, 666510, 734870, 955331, 1102305, 1910662, 2204610, 2865993, 4776655, 5731986, 9553310, 14329965, 28659930]

約数ペア:

[(1, 28659930), (2, 14329965), (3, 9553310), (5, 5731986), (6, 4776655), (10, 2865993), (13, 2204610), (15, 1910662), (26, 1102305), (30, 955331), (39, 734870), (43, 666510), (65, 440922), (78, 367435), (86, 333255), (129, 222170), (130, 220461), (195, 146974), (215, 133302), (258, 111085), (390, 73487), (430, 66651), (559, 51270), (645, 44434), (1118, 25635), (1290, 22217), (1677, 17090), (1709, 16770), (2795, 10254), (3354, 8545), (3418, 8385), (5127, 5590)]