27998438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 48044640

約数和(自身を除く): 20046202

約数列:

[1, 2, 13, 19, 26, 38, 157, 247, 314, 361, 494, 722, 2041, 2983, 4082, 4693, 5966, 6859, 9386, 13718, 38779, 56677, 77558, 89167, 113354, 178334, 736801, 1076863, 1473602, 2153726, 13999219, 27998438]

約数ペア:

[(1, 27998438), (2, 13999219), (13, 2153726), (19, 1473602), (26, 1076863), (38, 736801), (157, 178334), (247, 113354), (314, 89167), (361, 77558), (494, 56677), (722, 38779), (2041, 13718), (2983, 9386), (4082, 6859), (4693, 5966)]