39778912

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{881}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 84015792

約数和(自身を除く): 44236880

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 83, 136, 166, 272, 332, 544, 664, 881, 1328, 1411, 1762, 2656, 2822, 3524, 5644, 7048, 11288, 14096, 14977, 22576, 28192, 29954, 45152, 59908, 73123, 119816, 146246, 239632, 292492, 479264, 584984, 1169968, 1243091, 2339936, 2486182, 4972364, 9944728, 19889456, 39778912]

約数ペア:

[(1, 39778912), (2, 19889456), (4, 9944728), (8, 4972364), (16, 2486182), (17, 2339936), (32, 1243091), (34, 1169968), (68, 584984), (83, 479264), (136, 292492), (166, 239632), (272, 146246), (332, 119816), (544, 73123), (664, 59908), (881, 45152), (1328, 29954), (1411, 28192), (1762, 22576), (2656, 14977), (2822, 14096), (3524, 11288), (5644, 7048)]