238465764

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1997}}^1$

素因数の和:2145

約数の個数: 72

約数和(自身を含む): 628363008

約数和(自身を除く): 389897244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 107, 124, 186, 214, 279, 321, 372, 428, 558, 642, 963, 1116, 1284, 1926, 1997, 3317, 3852, 3994, 5991, 6634, 7988, 9951, 11982, 13268, 17973, 19902, 23964, 29853, 35946, 39804, 59706, 61907, 71892, 119412, 123814, 185721, 213679, 247628, 371442, 427358, 557163, 641037, 742884, 854716, 1114326, 1282074, 1923111, 2228652, 2564148, 3846222, 6624049, 7692444, 13248098, 19872147, 26496196, 39744294, 59616441, 79488588, 119232882, 238465764]

約数ペア:

[(1, 238465764), (2, 119232882), (3, 79488588), (4, 59616441), (6, 39744294), (9, 26496196), (12, 19872147), (18, 13248098), (31, 7692444), (36, 6624049), (62, 3846222), (93, 2564148), (107, 2228652), (124, 1923111), (186, 1282074), (214, 1114326), (279, 854716), (321, 742884), (372, 641037), (428, 557163), (558, 427358), (642, 371442), (963, 247628), (1116, 213679), (1284, 185721), (1926, 123814), (1997, 119412), (3317, 71892), (3852, 61907), (3994, 59706), (5991, 39804), (6634, 35946), (7988, 29853), (9951, 23964), (11982, 19902), (13268, 17973)]