31781344

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2677}}^1$

素因数の和:2747

約数の個数: 48

約数和(自身を含む): 72884448

約数和(自身を除く): 41103104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 212, 224, 371, 424, 742, 848, 1484, 1696, 2677, 2968, 5354, 5936, 10708, 11872, 18739, 21416, 37478, 42832, 74956, 85664, 141881, 149912, 283762, 299824, 567524, 599648, 993167, 1135048, 1986334, 2270096, 3972668, 4540192, 7945336, 15890672, 31781344]

約数ペア:

[(1, 31781344), (2, 15890672), (4, 7945336), (7, 4540192), (8, 3972668), (14, 2270096), (16, 1986334), (28, 1135048), (32, 993167), (53, 599648), (56, 567524), (106, 299824), (112, 283762), (212, 149912), (224, 141881), (371, 85664), (424, 74956), (742, 42832), (848, 37478), (1484, 21416), (1696, 18739), (2677, 11872), (2968, 10708), (5354, 5936)]