221053716

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1427}}^1$

素因数の和:1781

約数の個数: 72

約数和(自身を含む): 603998304

約数和(自身を除く): 382944588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 331, 468, 662, 993, 1324, 1427, 1986, 2854, 2979, 3972, 4281, 4303, 5708, 5958, 8562, 8606, 11916, 12843, 12909, 17124, 17212, 18551, 25686, 25818, 37102, 38727, 51372, 51636, 55653, 74204, 77454, 111306, 154908, 166959, 222612, 333918, 472337, 667836, 944674, 1417011, 1889348, 2834022, 4251033, 5668044, 6140381, 8502066, 12280762, 17004132, 18421143, 24561524, 36842286, 55263429, 73684572, 110526858, 221053716]

約数ペア:

[(1, 221053716), (2, 110526858), (3, 73684572), (4, 55263429), (6, 36842286), (9, 24561524), (12, 18421143), (13, 17004132), (18, 12280762), (26, 8502066), (36, 6140381), (39, 5668044), (52, 4251033), (78, 2834022), (117, 1889348), (156, 1417011), (234, 944674), (331, 667836), (468, 472337), (662, 333918), (993, 222612), (1324, 166959), (1427, 154908), (1986, 111306), (2854, 77454), (2979, 74204), (3972, 55653), (4281, 51636), (4303, 51372), (5708, 38727), (5958, 37102), (8562, 25818), (8606, 25686), (11916, 18551), (12843, 17212), (12909, 17124)]