3967964

素因数分解:

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

素因数の和:1026

約数の個数: 48

約数和(自身を含む): 9332736

約数和(自身を除く): 5364772

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 991, 1001, 1982, 2002, 3964, 4004, 6937, 10901, 12883, 13874, 21802, 25766, 27748, 43604, 51532, 76307, 90181, 141713, 152614, 180362, 283426, 305228, 360724, 566852, 991991, 1983982, 3967964]

約数ペア:

[(1, 3967964), (2, 1983982), (4, 991991), (7, 566852), (11, 360724), (13, 305228), (14, 283426), (22, 180362), (26, 152614), (28, 141713), (44, 90181), (52, 76307), (77, 51532), (91, 43604), (143, 27748), (154, 25766), (182, 21802), (286, 13874), (308, 12883), (364, 10901), (572, 6937), (991, 4004), (1001, 3964), (1982, 2002)]