1644901588

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 3240058752

約数和(自身を除く): 1595157164

約数列:

[1, 2, 4, 11, 22, 44, 71, 121, 142, 151, 242, 284, 302, 317, 484, 604, 634, 781, 1268, 1562, 1661, 3124, 3322, 3487, 6644, 6974, 8591, 10721, 13948, 17182, 18271, 21442, 22507, 34364, 36542, 38357, 42884, 45014, 47867, 73084, 76714, 90028, 95734, 117931, 153428, 191468, 235862, 247577, 471724, 495154, 526537, 990308, 1053074, 1297241, 2106148, 2594482, 2723347, 3398557, 5188964, 5446694, 5791907, 6797114, 10893388, 11583814, 13594228, 23167628, 37384127, 74768254, 149536508, 411225397, 822450794, 1644901588]

約数ペア:

[(1, 1644901588), (2, 822450794), (4, 411225397), (11, 149536508), (22, 74768254), (44, 37384127), (71, 23167628), (121, 13594228), (142, 11583814), (151, 10893388), (242, 6797114), (284, 5791907), (302, 5446694), (317, 5188964), (484, 3398557), (604, 2723347), (634, 2594482), (781, 2106148), (1268, 1297241), (1562, 1053074), (1661, 990308), (3124, 526537), (3322, 495154), (3487, 471724), (6644, 247577), (6974, 235862), (8591, 191468), (10721, 153428), (13948, 117931), (17182, 95734), (18271, 90028), (21442, 76714), (22507, 73084), (34364, 47867), (36542, 45014), (38357, 42884)]