1285328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:195

約数の個数: 40

約数和(自身を含む): 2782560

約数和(自身を除く): 1497232

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 67, 88, 109, 134, 176, 218, 268, 436, 536, 737, 872, 1072, 1199, 1474, 1744, 2398, 2948, 4796, 5896, 7303, 9592, 11792, 14606, 19184, 29212, 58424, 80333, 116848, 160666, 321332, 642664, 1285328]

約数ペア:

[(1, 1285328), (2, 642664), (4, 321332), (8, 160666), (11, 116848), (16, 80333), (22, 58424), (44, 29212), (67, 19184), (88, 14606), (109, 11792), (134, 9592), (176, 7303), (218, 5896), (268, 4796), (436, 2948), (536, 2398), (737, 1744), (872, 1474), (1072, 1199)]