201575916

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{661}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 524828304

約数和(自身を除く): 323252388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 197, 258, 387, 394, 516, 591, 661, 774, 788, 1182, 1322, 1548, 1773, 1983, 2364, 2644, 3546, 3966, 5949, 7092, 7932, 8471, 11898, 16942, 23796, 25413, 28423, 33884, 50826, 56846, 76239, 85269, 101652, 113692, 130217, 152478, 170538, 255807, 260434, 304956, 341076, 390651, 511614, 520868, 781302, 1023228, 1171953, 1562604, 2343906, 4687812, 5599331, 11198662, 16797993, 22397324, 33595986, 50393979, 67191972, 100787958, 201575916]

約数ペア:

[(1, 201575916), (2, 100787958), (3, 67191972), (4, 50393979), (6, 33595986), (9, 22397324), (12, 16797993), (18, 11198662), (36, 5599331), (43, 4687812), (86, 2343906), (129, 1562604), (172, 1171953), (197, 1023228), (258, 781302), (387, 520868), (394, 511614), (516, 390651), (591, 341076), (661, 304956), (774, 260434), (788, 255807), (1182, 170538), (1322, 152478), (1548, 130217), (1773, 113692), (1983, 101652), (2364, 85269), (2644, 76239), (3546, 56846), (3966, 50826), (5949, 33884), (7092, 28423), (7932, 25413), (8471, 23796), (11898, 16942)]