400036

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:188

約数の個数: 36

約数和(自身を含む): 882588

約数和(自身を除く): 482552

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 157, 182, 196, 314, 364, 628, 637, 1099, 1274, 2041, 2198, 2548, 4082, 4396, 7693, 8164, 14287, 15386, 28574, 30772, 57148, 100009, 200018, 400036]

約数ペア:

[(1, 400036), (2, 200018), (4, 100009), (7, 57148), (13, 30772), (14, 28574), (26, 15386), (28, 14287), (49, 8164), (52, 7693), (91, 4396), (98, 4082), (157, 2548), (182, 2198), (196, 2041), (314, 1274), (364, 1099), (628, 637)]