2221648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1003

約数の個数: 40

約数和(自身を含む): 5062176

約数和(自身を除く): 2840528

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 971, 1144, 1942, 2288, 3884, 7768, 10681, 12623, 15536, 21362, 25246, 42724, 50492, 85448, 100984, 138853, 170896, 201968, 277706, 555412, 1110824, 2221648]

約数ペア:

[(1, 2221648), (2, 1110824), (4, 555412), (8, 277706), (11, 201968), (13, 170896), (16, 138853), (22, 100984), (26, 85448), (44, 50492), (52, 42724), (88, 25246), (104, 21362), (143, 15536), (176, 12623), (208, 10681), (286, 7768), (572, 3884), (971, 2288), (1144, 1942)]