51151356

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 136106880

約数和(自身を除く): 84955524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 163, 207, 276, 326, 379, 414, 489, 652, 758, 828, 978, 1137, 1467, 1516, 1956, 2274, 2934, 3411, 3749, 4548, 5868, 6822, 7498, 8717, 11247, 13644, 14996, 17434, 22494, 26151, 33741, 34868, 44988, 52302, 61777, 67482, 78453, 104604, 123554, 134964, 156906, 185331, 247108, 313812, 370662, 555993, 741324, 1111986, 1420871, 2223972, 2841742, 4262613, 5683484, 8525226, 12787839, 17050452, 25575678, 51151356]

約数ペア:

[(1, 51151356), (2, 25575678), (3, 17050452), (4, 12787839), (6, 8525226), (9, 5683484), (12, 4262613), (18, 2841742), (23, 2223972), (36, 1420871), (46, 1111986), (69, 741324), (92, 555993), (138, 370662), (163, 313812), (207, 247108), (276, 185331), (326, 156906), (379, 134964), (414, 123554), (489, 104604), (652, 78453), (758, 67482), (828, 61777), (978, 52302), (1137, 44988), (1467, 34868), (1516, 33741), (1956, 26151), (2274, 22494), (2934, 17434), (3411, 14996), (3749, 13644), (4548, 11247), (5868, 8717), (6822, 7498)]