221616612

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1721}}^1$

素因数の和:1818

約数の個数: 108

約数和(自身を含む): 660969036

約数和(自身を除く): 439352424

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 73, 84, 98, 126, 146, 147, 196, 219, 252, 292, 294, 438, 441, 511, 588, 657, 876, 882, 1022, 1314, 1533, 1721, 1764, 2044, 2628, 3066, 3442, 3577, 4599, 5163, 6132, 6884, 7154, 9198, 10326, 10731, 12047, 14308, 15489, 18396, 20652, 21462, 24094, 30978, 32193, 36141, 42924, 48188, 61956, 64386, 72282, 84329, 108423, 125633, 128772, 144564, 168658, 216846, 251266, 252987, 337316, 376899, 433692, 502532, 505974, 753798, 758961, 879431, 1011948, 1130697, 1507596, 1517922, 1758862, 2261394, 2638293, 3035844, 3517724, 4522788, 5276586, 6156017, 7914879, 10553172, 12312034, 15829758, 18468051, 24624068, 31659516, 36936102, 55404153, 73872204, 110808306, 221616612]

約数ペア:

[(1, 221616612), (2, 110808306), (3, 73872204), (4, 55404153), (6, 36936102), (7, 31659516), (9, 24624068), (12, 18468051), (14, 15829758), (18, 12312034), (21, 10553172), (28, 7914879), (36, 6156017), (42, 5276586), (49, 4522788), (63, 3517724), (73, 3035844), (84, 2638293), (98, 2261394), (126, 1758862), (146, 1517922), (147, 1507596), (196, 1130697), (219, 1011948), (252, 879431), (292, 758961), (294, 753798), (438, 505974), (441, 502532), (511, 433692), (588, 376899), (657, 337316), (876, 252987), (882, 251266), (1022, 216846), (1314, 168658), (1533, 144564), (1721, 128772), (1764, 125633), (2044, 108423), (2628, 84329), (3066, 72282), (3442, 64386), (3577, 61956), (4599, 48188), (5163, 42924), (6132, 36141), (6884, 32193), (7154, 30978), (9198, 24094), (10326, 21462), (10731, 20652), (12047, 18396), (14308, 15489)]