28121328

素因数分解:

$2^4\times 3^2\times {\mathrm{401}}^1\times {\mathrm{487}}^1$

素因数の和:902

約数の個数: 60

約数和(自身を含む): 79058928

約数和(自身を除く): 50937600

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 401, 487, 802, 974, 1203, 1461, 1604, 1948, 2406, 2922, 3208, 3609, 3896, 4383, 4812, 5844, 6416, 7218, 7792, 8766, 9624, 11688, 14436, 17532, 19248, 23376, 28872, 35064, 57744, 70128, 195287, 390574, 585861, 781148, 1171722, 1562296, 1757583, 2343444, 3124592, 3515166, 4686888, 7030332, 9373776, 14060664, 28121328]

約数ペア:

[(1, 28121328), (2, 14060664), (3, 9373776), (4, 7030332), (6, 4686888), (8, 3515166), (9, 3124592), (12, 2343444), (16, 1757583), (18, 1562296), (24, 1171722), (36, 781148), (48, 585861), (72, 390574), (144, 195287), (401, 70128), (487, 57744), (802, 35064), (974, 28872), (1203, 23376), (1461, 19248), (1604, 17532), (1948, 14436), (2406, 11688), (2922, 9624), (3208, 8766), (3609, 7792), (3896, 7218), (4383, 6416), (4812, 5844)]