128662812

素因数分解:

$2^2\times 3^2\times {\mathrm{167}}^1\times {\mathrm{21401}}^1$

素因数の和:21578

約数の個数: 36

約数和(自身を含む): 327193776

約数和(自身を除く): 198530964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 167, 334, 501, 668, 1002, 1503, 2004, 3006, 6012, 21401, 42802, 64203, 85604, 128406, 192609, 256812, 385218, 770436, 3573967, 7147934, 10721901, 14295868, 21443802, 32165703, 42887604, 64331406, 128662812]

約数ペア:

[(1, 128662812), (2, 64331406), (3, 42887604), (4, 32165703), (6, 21443802), (9, 14295868), (12, 10721901), (18, 7147934), (36, 3573967), (167, 770436), (334, 385218), (501, 256812), (668, 192609), (1002, 128406), (1503, 85604), (2004, 64203), (3006, 42802), (6012, 21401)]