81631518

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 175063680

約数和(自身を除く): 93432162

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 179, 263, 289, 358, 526, 537, 578, 789, 867, 1074, 1578, 1734, 3043, 4471, 6086, 8942, 9129, 13413, 18258, 26826, 47077, 51731, 76007, 94154, 103462, 141231, 152014, 155193, 228021, 282462, 310386, 456042, 800309, 1600618, 2400927, 4801854, 13605253, 27210506, 40815759, 81631518]

約数ペア:

[(1, 81631518), (2, 40815759), (3, 27210506), (6, 13605253), (17, 4801854), (34, 2400927), (51, 1600618), (102, 800309), (179, 456042), (263, 310386), (289, 282462), (358, 228021), (526, 155193), (537, 152014), (578, 141231), (789, 103462), (867, 94154), (1074, 76007), (1578, 51731), (1734, 47077), (3043, 26826), (4471, 18258), (6086, 13413), (8942, 9129)]