221148816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1319}}^1$

素因数の和:1836

約数の個数: 80

約数和(自身を含む): 654720000

約数和(自身を除く): 433571184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 499, 998, 1319, 1497, 1996, 2638, 2994, 3493, 3957, 3992, 5276, 5988, 6986, 7914, 7984, 9233, 10479, 10552, 11976, 13972, 15828, 18466, 20958, 21104, 23952, 27699, 27944, 31656, 36932, 41916, 55398, 55888, 63312, 73864, 83832, 110796, 147728, 167664, 221592, 443184, 658181, 1316362, 1974543, 2632724, 3949086, 4607267, 5265448, 7898172, 9214534, 10530896, 13821801, 15796344, 18429068, 27643602, 31592688, 36858136, 55287204, 73716272, 110574408, 221148816]

約数ペア:

[(1, 221148816), (2, 110574408), (3, 73716272), (4, 55287204), (6, 36858136), (7, 31592688), (8, 27643602), (12, 18429068), (14, 15796344), (16, 13821801), (21, 10530896), (24, 9214534), (28, 7898172), (42, 5265448), (48, 4607267), (56, 3949086), (84, 2632724), (112, 1974543), (168, 1316362), (336, 658181), (499, 443184), (998, 221592), (1319, 167664), (1497, 147728), (1996, 110796), (2638, 83832), (2994, 73864), (3493, 63312), (3957, 55888), (3992, 55398), (5276, 41916), (5988, 36932), (6986, 31656), (7914, 27944), (7984, 27699), (9233, 23952), (10479, 21104), (10552, 20958), (11976, 18466), (13972, 15828)]