65440984

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 144460800

約数和(自身を除く): 79019816

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 109, 142, 151, 218, 284, 302, 436, 497, 568, 604, 763, 872, 994, 1057, 1208, 1526, 1988, 2114, 3052, 3976, 4228, 6104, 7739, 8456, 10721, 15478, 16459, 21442, 30956, 32918, 42884, 54173, 61912, 65836, 75047, 85768, 108346, 115213, 131672, 150094, 216692, 230426, 300188, 433384, 460852, 600376, 921704, 1168589, 2337178, 4674356, 8180123, 9348712, 16360246, 32720492, 65440984]

約数ペア:

[(1, 65440984), (2, 32720492), (4, 16360246), (7, 9348712), (8, 8180123), (14, 4674356), (28, 2337178), (56, 1168589), (71, 921704), (109, 600376), (142, 460852), (151, 433384), (218, 300188), (284, 230426), (302, 216692), (436, 150094), (497, 131672), (568, 115213), (604, 108346), (763, 85768), (872, 75047), (994, 65836), (1057, 61912), (1208, 54173), (1526, 42884), (1988, 32918), (2114, 30956), (3052, 21442), (3976, 16459), (4228, 15478), (6104, 10721), (7739, 8456)]