16978984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3163}}^1$

素因数の和:3241

約数の個数: 32

約数和(自身を含む): 35310240

約数和(自身を除く): 18331256

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3163, 5368, 6326, 12652, 25304, 34793, 69586, 139172, 192943, 278344, 385886, 771772, 1543544, 2122373, 4244746, 8489492, 16978984]

約数ペア:

[(1, 16978984), (2, 8489492), (4, 4244746), (8, 2122373), (11, 1543544), (22, 771772), (44, 385886), (61, 278344), (88, 192943), (122, 139172), (244, 69586), (488, 34793), (671, 25304), (1342, 12652), (2684, 6326), (3163, 5368)]