31475822

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 56678400

約数和(自身を除く): 25202578

約数列:

[1, 2, 7, 14, 23, 46, 161, 239, 322, 409, 478, 818, 1673, 2863, 3346, 5497, 5726, 9407, 10994, 18814, 38479, 65849, 76958, 97751, 131698, 195502, 684257, 1368514, 2248273, 4496546, 15737911, 31475822]

約数ペア:

[(1, 31475822), (2, 15737911), (7, 4496546), (14, 2248273), (23, 1368514), (46, 684257), (161, 195502), (239, 131698), (322, 97751), (409, 76958), (478, 65849), (818, 38479), (1673, 18814), (2863, 10994), (3346, 9407), (5497, 5726)]