990332416

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{113779}}^1$

素因数の和:113814

約数の個数: 40

約数和(自身を含む): 2095144920

約数和(自身を除く): 1104812504

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2176, 4352, 8704, 113779, 227558, 455116, 910232, 1820464, 1934243, 3640928, 3868486, 7281856, 7736972, 14563712, 15473944, 29127424, 30947888, 58254848, 61895776, 123791552, 247583104, 495166208, 990332416]

約数ペア:

[(1, 990332416), (2, 495166208), (4, 247583104), (8, 123791552), (16, 61895776), (17, 58254848), (32, 30947888), (34, 29127424), (64, 15473944), (68, 14563712), (128, 7736972), (136, 7281856), (256, 3868486), (272, 3640928), (512, 1934243), (544, 1820464), (1088, 910232), (2176, 455116), (4352, 227558), (8704, 113779)]