31721222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 54415200

約数和(自身を除く): 22693978

約数列:

[1, 2, 13, 19, 26, 38, 157, 247, 314, 409, 494, 818, 2041, 2983, 4082, 5317, 5966, 7771, 10634, 15542, 38779, 64213, 77558, 101023, 128426, 202046, 834769, 1220047, 1669538, 2440094, 15860611, 31721222]

約数ペア:

[(1, 31721222), (2, 15860611), (13, 2440094), (19, 1669538), (26, 1220047), (38, 834769), (157, 202046), (247, 128426), (314, 101023), (409, 77558), (494, 64213), (818, 38779), (2041, 15542), (2983, 10634), (4082, 7771), (5317, 5966)]