201515990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{11833}}^1$

素因数の和:11984

約数の個数: 32

約数和(自身を含む): 393646176

約数和(自身を除く): 192130186

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1703, 3406, 8515, 11833, 17030, 23666, 59165, 118330, 153829, 307658, 769145, 1538290, 1550123, 3100246, 7750615, 15501230, 20151599, 40303198, 100757995, 201515990]

約数ペア:

[(1, 201515990), (2, 100757995), (5, 40303198), (10, 20151599), (13, 15501230), (26, 7750615), (65, 3100246), (130, 1550123), (131, 1538290), (262, 769145), (655, 307658), (1310, 153829), (1703, 118330), (3406, 59165), (8515, 23666), (11833, 17030)]