30991212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5347}}^1$

素因数の和:5387

約数の個数: 72

約数和(自身を含む): 93440256

約数和(自身を除く): 62449044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 5347, 5796, 10694, 16041, 21388, 32082, 37429, 48123, 64164, 74858, 96246, 112287, 122981, 149716, 192492, 224574, 245962, 336861, 368943, 449148, 491924, 673722, 737886, 860867, 1106829, 1347444, 1475772, 1721734, 2213658, 2582601, 3443468, 4427316, 5165202, 7747803, 10330404, 15495606, 30991212]

約数ペア:

[(1, 30991212), (2, 15495606), (3, 10330404), (4, 7747803), (6, 5165202), (7, 4427316), (9, 3443468), (12, 2582601), (14, 2213658), (18, 1721734), (21, 1475772), (23, 1347444), (28, 1106829), (36, 860867), (42, 737886), (46, 673722), (63, 491924), (69, 449148), (84, 368943), (92, 336861), (126, 245962), (138, 224574), (161, 192492), (207, 149716), (252, 122981), (276, 112287), (322, 96246), (414, 74858), (483, 64164), (644, 48123), (828, 37429), (966, 32082), (1449, 21388), (1932, 16041), (2898, 10694), (5347, 5796)]