211680728

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1116

約数の個数: 64

約数和(自身を含む): 468970560

約数和(自身を除く): 257289832

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 73, 106, 146, 212, 292, 371, 424, 511, 584, 742, 977, 1022, 1484, 1954, 2044, 2968, 3869, 3908, 4088, 6839, 7738, 7816, 13678, 15476, 27083, 27356, 30952, 51781, 54166, 54712, 71321, 103562, 108332, 142642, 207124, 216664, 285284, 362467, 414248, 499247, 570568, 724934, 998494, 1449868, 1996988, 2899736, 3780013, 3993976, 7560026, 15120052, 26460091, 30240104, 52920182, 105840364, 211680728]

約数ペア:

[(1, 211680728), (2, 105840364), (4, 52920182), (7, 30240104), (8, 26460091), (14, 15120052), (28, 7560026), (53, 3993976), (56, 3780013), (73, 2899736), (106, 1996988), (146, 1449868), (212, 998494), (292, 724934), (371, 570568), (424, 499247), (511, 414248), (584, 362467), (742, 285284), (977, 216664), (1022, 207124), (1484, 142642), (1954, 108332), (2044, 103562), (2968, 71321), (3869, 54712), (3908, 54166), (4088, 51781), (6839, 30952), (7738, 27356), (7816, 27083), (13678, 15476)]