9919910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1029

約数の個数: 64

約数和(自身を含む): 23998464

約数和(自身を除く): 14078554

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 991, 1001, 1430, 1982, 2002, 4955, 5005, 6937, 9910, 10010, 10901, 12883, 13874, 21802, 25766, 34685, 54505, 64415, 69370, 76307, 90181, 109010, 128830, 141713, 152614, 180362, 283426, 381535, 450905, 708565, 763070, 901810, 991991, 1417130, 1983982, 4959955, 9919910]

約数ペア:

[(1, 9919910), (2, 4959955), (5, 1983982), (7, 1417130), (10, 991991), (11, 901810), (13, 763070), (14, 708565), (22, 450905), (26, 381535), (35, 283426), (55, 180362), (65, 152614), (70, 141713), (77, 128830), (91, 109010), (110, 90181), (130, 76307), (143, 69370), (154, 64415), (182, 54505), (286, 34685), (385, 25766), (455, 21802), (715, 13874), (770, 12883), (910, 10901), (991, 10010), (1001, 9910), (1430, 6937), (1982, 5005), (2002, 4955)]