31147888

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1597}}^1$

素因数の和:1681

約数の個数: 40

約数和(自身を含む): 64201248

約数和(自身を除く): 33053360

約数列:

[1, 2, 4, 8, 16, 23, 46, 53, 92, 106, 184, 212, 368, 424, 848, 1219, 1597, 2438, 3194, 4876, 6388, 9752, 12776, 19504, 25552, 36731, 73462, 84641, 146924, 169282, 293848, 338564, 587696, 677128, 1354256, 1946743, 3893486, 7786972, 15573944, 31147888]

約数ペア:

[(1, 31147888), (2, 15573944), (4, 7786972), (8, 3893486), (16, 1946743), (23, 1354256), (46, 677128), (53, 587696), (92, 338564), (106, 293848), (184, 169282), (212, 146924), (368, 84641), (424, 73462), (848, 36731), (1219, 25552), (1597, 19504), (2438, 12776), (3194, 9752), (4876, 6388)]