28408674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 67721472

約数和(自身を除く): 39312798

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 101, 111, 181, 202, 222, 259, 303, 362, 518, 543, 606, 707, 777, 1086, 1267, 1414, 1554, 2121, 2534, 3737, 3801, 4242, 6697, 7474, 7602, 11211, 13394, 18281, 20091, 22422, 26159, 36562, 40182, 46879, 52318, 54843, 78477, 93758, 109686, 127967, 140637, 156954, 255934, 281274, 383901, 676397, 767802, 1352794, 2029191, 4058382, 4734779, 9469558, 14204337, 28408674]

約数ペア:

[(1, 28408674), (2, 14204337), (3, 9469558), (6, 4734779), (7, 4058382), (14, 2029191), (21, 1352794), (37, 767802), (42, 676397), (74, 383901), (101, 281274), (111, 255934), (181, 156954), (202, 140637), (222, 127967), (259, 109686), (303, 93758), (362, 78477), (518, 54843), (543, 52318), (606, 46879), (707, 40182), (777, 36562), (1086, 26159), (1267, 22422), (1414, 20091), (1554, 18281), (2121, 13394), (2534, 11211), (3737, 7602), (3801, 7474), (4242, 6697)]