28494872

素因数分解:

$2^3\times 7^2\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 62681760

約数和(自身を除く): 34186888

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 157, 196, 314, 392, 463, 628, 926, 1099, 1256, 1852, 2198, 3241, 3704, 4396, 6482, 7693, 8792, 12964, 15386, 22687, 25928, 30772, 45374, 61544, 72691, 90748, 145382, 181496, 290764, 508837, 581528, 1017674, 2035348, 3561859, 4070696, 7123718, 14247436, 28494872]

約数ペア:

[(1, 28494872), (2, 14247436), (4, 7123718), (7, 4070696), (8, 3561859), (14, 2035348), (28, 1017674), (49, 581528), (56, 508837), (98, 290764), (157, 181496), (196, 145382), (314, 90748), (392, 72691), (463, 61544), (628, 45374), (926, 30772), (1099, 25928), (1256, 22687), (1852, 15386), (2198, 12964), (3241, 8792), (3704, 7693), (4396, 6482)]