208727168

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{9649}}^1$

素因数の和:9689

約数の個数: 48

約数和(自身を含む): 450317250

約数和(自身を除く): 241590082

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 1352, 1664, 2704, 5408, 9649, 10816, 19298, 21632, 38596, 77192, 125437, 154384, 250874, 308768, 501748, 617536, 1003496, 1235072, 1630681, 2006992, 3261362, 4013984, 6522724, 8027968, 13045448, 16055936, 26090896, 52181792, 104363584, 208727168]

約数ペア:

[(1, 208727168), (2, 104363584), (4, 52181792), (8, 26090896), (13, 16055936), (16, 13045448), (26, 8027968), (32, 6522724), (52, 4013984), (64, 3261362), (104, 2006992), (128, 1630681), (169, 1235072), (208, 1003496), (338, 617536), (416, 501748), (676, 308768), (832, 250874), (1352, 154384), (1664, 125437), (2704, 77192), (5408, 38596), (9649, 21632), (10816, 19298)]