164914775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 224985600

約数和(自身を除く): 60070825

約数列:

[1, 5, 19, 25, 47, 83, 89, 95, 235, 415, 445, 475, 893, 1175, 1577, 1691, 2075, 2225, 3901, 4183, 4465, 7387, 7885, 8455, 19505, 20915, 22325, 36935, 39425, 42275, 74119, 79477, 97525, 104575, 140353, 184675, 347189, 370595, 397385, 701765, 1735945, 1852975, 1986925, 3508825, 6596591, 8679725, 32982955, 164914775]

約数ペア:

[(1, 164914775), (5, 32982955), (19, 8679725), (25, 6596591), (47, 3508825), (83, 1986925), (89, 1852975), (95, 1735945), (235, 701765), (415, 397385), (445, 370595), (475, 347189), (893, 184675), (1175, 140353), (1577, 104575), (1691, 97525), (2075, 79477), (2225, 74119), (3901, 42275), (4183, 39425), (4465, 36935), (7387, 22325), (7885, 20915), (8455, 19505)]