661021552

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{8663}}^1$

素因数の和:8941

約数の個数: 40

約数和(自身を含む): 1353663360

約数和(自身を除く): 692641808

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 251, 304, 502, 1004, 2008, 4016, 4769, 8663, 9538, 17326, 19076, 34652, 38152, 69304, 76304, 138608, 164597, 329194, 658388, 1316776, 2174413, 2633552, 4348826, 8697652, 17395304, 34790608, 41313847, 82627694, 165255388, 330510776, 661021552]

約数ペア:

[(1, 661021552), (2, 330510776), (4, 165255388), (8, 82627694), (16, 41313847), (19, 34790608), (38, 17395304), (76, 8697652), (152, 4348826), (251, 2633552), (304, 2174413), (502, 1316776), (1004, 658388), (2008, 329194), (4016, 164597), (4769, 138608), (8663, 76304), (9538, 69304), (17326, 38152), (19076, 34652)]