217878586

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2801}}^1$

素因数の和:2934

約数の個数: 32

約数和(自身を含む): 363139200

約数和(自身を除く): 145260614

約数列:

[1, 2, 19, 23, 38, 46, 89, 178, 437, 874, 1691, 2047, 2801, 3382, 4094, 5602, 38893, 53219, 64423, 77786, 106438, 128846, 249289, 498578, 1224037, 2448074, 4736491, 5733647, 9472982, 11467294, 108939293, 217878586]

約数ペア:

[(1, 217878586), (2, 108939293), (19, 11467294), (23, 9472982), (38, 5733647), (46, 4736491), (89, 2448074), (178, 1224037), (437, 498578), (874, 249289), (1691, 128846), (2047, 106438), (2801, 77786), (3382, 64423), (4094, 53219), (5602, 38893)]