1211454208

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{521}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 2509508736

約数和(自身を除く): 1298054528

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 293, 496, 521, 586, 992, 1042, 1172, 1984, 2084, 2344, 3968, 4168, 4688, 7936, 8336, 9083, 9376, 16151, 16672, 18166, 18752, 32302, 33344, 36332, 37504, 64604, 66688, 72664, 75008, 129208, 133376, 145328, 152653, 258416, 290656, 305306, 516832, 581312, 610612, 1033664, 1162624, 1221224, 2067328, 2325248, 2442448, 4134656, 4732243, 4884896, 9464486, 9769792, 18928972, 19539584, 37857944, 39079168, 75715888, 151431776, 302863552, 605727104, 1211454208]

約数ペア:

[(1, 1211454208), (2, 605727104), (4, 302863552), (8, 151431776), (16, 75715888), (31, 39079168), (32, 37857944), (62, 19539584), (64, 18928972), (124, 9769792), (128, 9464486), (248, 4884896), (256, 4732243), (293, 4134656), (496, 2442448), (521, 2325248), (586, 2067328), (992, 1221224), (1042, 1162624), (1172, 1033664), (1984, 610612), (2084, 581312), (2344, 516832), (3968, 305306), (4168, 290656), (4688, 258416), (7936, 152653), (8336, 145328), (9083, 133376), (9376, 129208), (16151, 75008), (16672, 72664), (18166, 66688), (18752, 64604), (32302, 37504), (33344, 36332)]