67405477072

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{221728543}}^1$

素因数の和:221728570

約数の個数: 20

約数和(自身を含む): 137471697280

約数和(自身を除く): 70066220208

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 221728543, 443457086, 886914172, 1773828344, 3547656688, 4212842317, 8425684634, 16851369268, 33702738536, 67405477072]

約数ペア:

[(1, 67405477072), (2, 33702738536), (4, 16851369268), (8, 8425684634), (16, 4212842317), (19, 3547656688), (38, 1773828344), (76, 886914172), (152, 443457086), (304, 221728543)]