81546784

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 187790400

約数和(自身を除く): 106243616

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 89, 137, 152, 176, 178, 209, 274, 304, 352, 356, 418, 548, 608, 712, 836, 979, 1096, 1424, 1507, 1672, 1691, 1958, 2192, 2603, 2848, 3014, 3344, 3382, 3916, 4384, 5206, 6028, 6688, 6764, 7832, 10412, 12056, 12193, 13528, 15664, 18601, 20824, 24112, 24386, 27056, 28633, 31328, 37202, 41648, 48224, 48772, 54112, 57266, 74404, 83296, 97544, 114532, 134123, 148808, 195088, 229064, 231667, 268246, 297616, 390176, 458128, 463334, 536492, 595232, 916256, 926668, 1072984, 1853336, 2145968, 2548337, 3706672, 4291936, 5096674, 7413344, 10193348, 20386696, 40773392, 81546784]

約数ペア:

[(1, 81546784), (2, 40773392), (4, 20386696), (8, 10193348), (11, 7413344), (16, 5096674), (19, 4291936), (22, 3706672), (32, 2548337), (38, 2145968), (44, 1853336), (76, 1072984), (88, 926668), (89, 916256), (137, 595232), (152, 536492), (176, 463334), (178, 458128), (209, 390176), (274, 297616), (304, 268246), (352, 231667), (356, 229064), (418, 195088), (548, 148808), (608, 134123), (712, 114532), (836, 97544), (979, 83296), (1096, 74404), (1424, 57266), (1507, 54112), (1672, 48772), (1691, 48224), (1958, 41648), (2192, 37202), (2603, 31328), (2848, 28633), (3014, 27056), (3344, 24386), (3382, 24112), (3916, 20824), (4384, 18601), (5206, 15664), (6028, 13528), (6688, 12193), (6764, 12056), (7832, 10412)]