31691696

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1709}}^1$

素因数の和:1797

約数の個数: 40

約数和(自身を含む): 65732400

約数和(自身を除く): 34040704

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 1709, 2318, 3418, 4636, 6836, 9272, 13672, 18544, 27344, 32471, 64942, 104249, 129884, 208498, 259768, 416996, 519536, 833992, 1667984, 1980731, 3961462, 7922924, 15845848, 31691696]

約数ペア:

[(1, 31691696), (2, 15845848), (4, 7922924), (8, 3961462), (16, 1980731), (19, 1667984), (38, 833992), (61, 519536), (76, 416996), (122, 259768), (152, 208498), (244, 129884), (304, 104249), (488, 64942), (976, 32471), (1159, 27344), (1709, 18544), (2318, 13672), (3418, 9272), (4636, 6836)]