39985484

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{659}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 87816960

約数和(自身を除く): 47831476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 197, 308, 394, 659, 788, 1318, 1379, 2167, 2636, 2758, 4334, 4613, 5516, 7249, 8668, 9226, 14498, 15169, 18452, 28996, 30338, 50743, 60676, 101486, 129823, 202972, 259646, 519292, 908761, 1428053, 1817522, 2856106, 3635044, 5712212, 9996371, 19992742, 39985484]

約数ペア:

[(1, 39985484), (2, 19992742), (4, 9996371), (7, 5712212), (11, 3635044), (14, 2856106), (22, 1817522), (28, 1428053), (44, 908761), (77, 519292), (154, 259646), (197, 202972), (308, 129823), (394, 101486), (659, 60676), (788, 50743), (1318, 30338), (1379, 28996), (2167, 18452), (2636, 15169), (2758, 14498), (4334, 9226), (4613, 8668), (5516, 7249)]