12641738

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 20736000

約数和(自身を除く): 8094262

約数列:

[1, 2, 29, 31, 58, 62, 79, 89, 158, 178, 899, 1798, 2291, 2449, 2581, 2759, 4582, 4898, 5162, 5518, 7031, 14062, 71021, 80011, 142042, 160022, 203899, 217961, 407798, 435922, 6320869, 12641738]

約数ペア:

[(1, 12641738), (2, 6320869), (29, 435922), (31, 407798), (58, 217961), (62, 203899), (79, 160022), (89, 142042), (158, 80011), (178, 71021), (899, 14062), (1798, 7031), (2291, 5518), (2449, 5162), (2581, 4898), (2759, 4582)]