208966784

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4051}}^1$

素因数の和:4109

約数の個数: 64

約数和(自身を含む): 462900480

約数和(自身を除く): 253933696

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3968, 4051, 6448, 8102, 12896, 16204, 25792, 32408, 51584, 52663, 64816, 105326, 125581, 129632, 210652, 251162, 259264, 421304, 502324, 518528, 842608, 1004648, 1632553, 1685216, 2009296, 3265106, 3370432, 4018592, 6530212, 6740864, 8037184, 13060424, 16074368, 26120848, 52241696, 104483392, 208966784]

約数ペア:

[(1, 208966784), (2, 104483392), (4, 52241696), (8, 26120848), (13, 16074368), (16, 13060424), (26, 8037184), (31, 6740864), (32, 6530212), (52, 4018592), (62, 3370432), (64, 3265106), (104, 2009296), (124, 1685216), (128, 1632553), (208, 1004648), (248, 842608), (403, 518528), (416, 502324), (496, 421304), (806, 259264), (832, 251162), (992, 210652), (1612, 129632), (1664, 125581), (1984, 105326), (3224, 64816), (3968, 52663), (4051, 51584), (6448, 32408), (8102, 25792), (12896, 16204)]