71383968

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{3491}}^1$

素因数の和:3578

約数の個数: 72

約数和(自身を含む): 205916256

約数和(自身を除く): 134532288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1136, 1278, 1704, 2272, 2556, 3408, 3491, 5112, 6816, 6982, 10224, 10473, 13964, 20448, 20946, 27928, 31419, 41892, 55856, 62838, 83784, 111712, 125676, 167568, 247861, 251352, 335136, 495722, 502704, 743583, 991444, 1005408, 1487166, 1982888, 2230749, 2974332, 3965776, 4461498, 5948664, 7931552, 8922996, 11897328, 17845992, 23794656, 35691984, 71383968]

約数ペア:

[(1, 71383968), (2, 35691984), (3, 23794656), (4, 17845992), (6, 11897328), (8, 8922996), (9, 7931552), (12, 5948664), (16, 4461498), (18, 3965776), (24, 2974332), (32, 2230749), (36, 1982888), (48, 1487166), (71, 1005408), (72, 991444), (96, 743583), (142, 502704), (144, 495722), (213, 335136), (284, 251352), (288, 247861), (426, 167568), (568, 125676), (639, 111712), (852, 83784), (1136, 62838), (1278, 55856), (1704, 41892), (2272, 31419), (2556, 27928), (3408, 20946), (3491, 20448), (5112, 13964), (6816, 10473), (6982, 10224)]