221297648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{311}}^2$

素因数の和:654

約数の個数: 60

約数和(自身を含む): 505347864

約数和(自身を除く): 284050216

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 311, 572, 622, 1144, 1244, 2288, 2488, 3421, 4043, 4976, 6842, 8086, 13684, 16172, 27368, 32344, 44473, 54736, 64688, 88946, 96721, 177892, 193442, 355784, 386884, 711568, 773768, 1063931, 1257373, 1547536, 2127862, 2514746, 4255724, 5029492, 8511448, 10058984, 13831103, 17022896, 20117968, 27662206, 55324412, 110648824, 221297648]

約数ペア:

[(1, 221297648), (2, 110648824), (4, 55324412), (8, 27662206), (11, 20117968), (13, 17022896), (16, 13831103), (22, 10058984), (26, 8511448), (44, 5029492), (52, 4255724), (88, 2514746), (104, 2127862), (143, 1547536), (176, 1257373), (208, 1063931), (286, 773768), (311, 711568), (572, 386884), (622, 355784), (1144, 193442), (1244, 177892), (2288, 96721), (2488, 88946), (3421, 64688), (4043, 54736), (4976, 44473), (6842, 32344), (8086, 27368), (13684, 16172)]