199921696

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4409}}^1$

素因数の和:4541

約数の個数: 48

約数和(自身を含む): 427858200

約数和(自身を除く): 227936504

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 109, 208, 218, 416, 436, 872, 1417, 1744, 2834, 3488, 4409, 5668, 8818, 11336, 17636, 22672, 35272, 45344, 57317, 70544, 114634, 141088, 229268, 458536, 480581, 917072, 961162, 1834144, 1922324, 3844648, 6247553, 7689296, 12495106, 15378592, 24990212, 49980424, 99960848, 199921696]

約数ペア:

[(1, 199921696), (2, 99960848), (4, 49980424), (8, 24990212), (13, 15378592), (16, 12495106), (26, 7689296), (32, 6247553), (52, 3844648), (104, 1922324), (109, 1834144), (208, 961162), (218, 917072), (416, 480581), (436, 458536), (872, 229268), (1417, 141088), (1744, 114634), (2834, 70544), (3488, 57317), (4409, 45344), (5668, 35272), (8818, 22672), (11336, 17636)]