12787888

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 25633280

約数和(自身を除く): 12845392

約数列:

[1, 2, 4, 8, 16, 67, 79, 134, 151, 158, 268, 302, 316, 536, 604, 632, 1072, 1208, 1264, 2416, 5293, 10117, 10586, 11929, 20234, 21172, 23858, 40468, 42344, 47716, 80936, 84688, 95432, 161872, 190864, 799243, 1598486, 3196972, 6393944, 12787888]

約数ペア:

[(1, 12787888), (2, 6393944), (4, 3196972), (8, 1598486), (16, 799243), (67, 190864), (79, 161872), (134, 95432), (151, 84688), (158, 80936), (268, 47716), (302, 42344), (316, 40468), (536, 23858), (604, 21172), (632, 20234), (1072, 11929), (1208, 10586), (1264, 10117), (2416, 5293)]