51387228

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 134779008

約数和(自身を除く): 83391780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 173, 222, 223, 333, 346, 444, 446, 519, 666, 669, 692, 892, 1038, 1332, 1338, 1557, 2007, 2076, 2676, 3114, 4014, 6228, 6401, 8028, 8251, 12802, 16502, 19203, 24753, 25604, 33004, 38406, 38579, 49506, 57609, 74259, 76812, 77158, 99012, 115218, 115737, 148518, 154316, 230436, 231474, 297036, 347211, 462948, 694422, 1388844, 1427423, 2854846, 4282269, 5709692, 8564538, 12846807, 17129076, 25693614, 51387228]

約数ペア:

[(1, 51387228), (2, 25693614), (3, 17129076), (4, 12846807), (6, 8564538), (9, 5709692), (12, 4282269), (18, 2854846), (36, 1427423), (37, 1388844), (74, 694422), (111, 462948), (148, 347211), (173, 297036), (222, 231474), (223, 230436), (333, 154316), (346, 148518), (444, 115737), (446, 115218), (519, 99012), (666, 77158), (669, 76812), (692, 74259), (892, 57609), (1038, 49506), (1332, 38579), (1338, 38406), (1557, 33004), (2007, 25604), (2076, 24753), (2676, 19203), (3114, 16502), (4014, 12802), (6228, 8251), (6401, 8028)]