71319304

素因数分解:

$2^3\times 7^4\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 80

約数和(自身を含む): 161337600

約数和(自身を除く): 90018296

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 79, 94, 98, 158, 188, 196, 316, 329, 343, 376, 392, 553, 632, 658, 686, 1106, 1316, 1372, 2212, 2303, 2401, 2632, 2744, 3713, 3871, 4424, 4606, 4802, 7426, 7742, 9212, 9604, 14852, 15484, 16121, 18424, 19208, 25991, 27097, 29704, 30968, 32242, 51982, 54194, 64484, 103964, 108388, 112847, 128968, 181937, 189679, 207928, 216776, 225694, 363874, 379358, 451388, 727748, 758716, 902776, 1273559, 1455496, 1517432, 2547118, 5094236, 8914913, 10188472, 17829826, 35659652, 71319304]

約数ペア:

[(1, 71319304), (2, 35659652), (4, 17829826), (7, 10188472), (8, 8914913), (14, 5094236), (28, 2547118), (47, 1517432), (49, 1455496), (56, 1273559), (79, 902776), (94, 758716), (98, 727748), (158, 451388), (188, 379358), (196, 363874), (316, 225694), (329, 216776), (343, 207928), (376, 189679), (392, 181937), (553, 128968), (632, 112847), (658, 108388), (686, 103964), (1106, 64484), (1316, 54194), (1372, 51982), (2212, 32242), (2303, 30968), (2401, 29704), (2632, 27097), (2744, 25991), (3713, 19208), (3871, 18424), (4424, 16121), (4606, 15484), (4802, 14852), (7426, 9604), (7742, 9212)]