1331138420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1553}}^1\times {\mathrm{2521}}^1$

素因数の和:4100

約数の個数: 48

約数和(自身を含む): 2962906128

約数和(自身を除く): 1631767708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1553, 2521, 3106, 5042, 6212, 7765, 10084, 12605, 15530, 25210, 26401, 31060, 42857, 50420, 52802, 85714, 105604, 132005, 171428, 214285, 264010, 428570, 528020, 857140, 3915113, 7830226, 15660452, 19575565, 39151130, 66556921, 78302260, 133113842, 266227684, 332784605, 665569210, 1331138420]

約数ペア:

[(1, 1331138420), (2, 665569210), (4, 332784605), (5, 266227684), (10, 133113842), (17, 78302260), (20, 66556921), (34, 39151130), (68, 19575565), (85, 15660452), (170, 7830226), (340, 3915113), (1553, 857140), (2521, 528020), (3106, 428570), (5042, 264010), (6212, 214285), (7765, 171428), (10084, 132005), (12605, 105604), (15530, 85714), (25210, 52802), (26401, 50420), (31060, 42857)]