218567988

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^3\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 72

約数和(自身を含む): 578760000

約数和(自身を除く): 360192012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 499, 529, 828, 998, 1058, 1497, 1587, 1996, 2116, 2994, 3174, 4491, 4761, 5988, 6348, 8982, 9522, 11477, 12167, 17964, 19044, 22954, 24334, 34431, 36501, 45908, 48668, 68862, 73002, 103293, 109503, 137724, 146004, 206586, 219006, 263971, 413172, 438012, 527942, 791913, 1055884, 1583826, 2375739, 3167652, 4751478, 6071333, 9502956, 12142666, 18213999, 24285332, 36427998, 54641997, 72855996, 109283994, 218567988]

約数ペア:

[(1, 218567988), (2, 109283994), (3, 72855996), (4, 54641997), (6, 36427998), (9, 24285332), (12, 18213999), (18, 12142666), (23, 9502956), (36, 6071333), (46, 4751478), (69, 3167652), (92, 2375739), (138, 1583826), (207, 1055884), (276, 791913), (414, 527942), (499, 438012), (529, 413172), (828, 263971), (998, 219006), (1058, 206586), (1497, 146004), (1587, 137724), (1996, 109503), (2116, 103293), (2994, 73002), (3174, 68862), (4491, 48668), (4761, 45908), (5988, 36501), (6348, 34431), (8982, 24334), (9522, 22954), (11477, 19044), (12167, 17964)]