138406528

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{83177}}^1$

素因数の和:83204

約数の個数: 32

約数和(自身を含む): 296945460

約数和(自身を除く): 158538932

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 83177, 166354, 332708, 665416, 1081301, 1330832, 2162602, 2661664, 4325204, 5323328, 8650408, 10646656, 17300816, 34601632, 69203264, 138406528]

約数ペア:

[(1, 138406528), (2, 69203264), (4, 34601632), (8, 17300816), (13, 10646656), (16, 8650408), (26, 5323328), (32, 4325204), (52, 2661664), (64, 2162602), (104, 1330832), (128, 1081301), (208, 665416), (416, 332708), (832, 166354), (1664, 83177)]