661008032

素因数分解:

$2^5\times {\mathrm{163}}^1\times {\mathrm{353}}^1\times {\mathrm{359}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 1316710080

約数和(自身を除く): 655702048

約数列:

[1, 2, 4, 8, 16, 32, 163, 326, 353, 359, 652, 706, 718, 1304, 1412, 1436, 2608, 2824, 2872, 5216, 5648, 5744, 11296, 11488, 57539, 58517, 115078, 117034, 126727, 230156, 234068, 253454, 460312, 468136, 506908, 920624, 936272, 1013816, 1841248, 1872544, 2027632, 4055264, 20656501, 41313002, 82626004, 165252008, 330504016, 661008032]

約数ペア:

[(1, 661008032), (2, 330504016), (4, 165252008), (8, 82626004), (16, 41313002), (32, 20656501), (163, 4055264), (326, 2027632), (353, 1872544), (359, 1841248), (652, 1013816), (706, 936272), (718, 920624), (1304, 506908), (1412, 468136), (1436, 460312), (2608, 253454), (2824, 234068), (2872, 230156), (5216, 126727), (5648, 117034), (5744, 115078), (11296, 58517), (11488, 57539)]