256417824

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{205463}}^1$

素因数の和:205489

約数の個数: 48

約数和(自身を含む): 724876992

約数和(自身を除く): 468459168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 205463, 410926, 616389, 821852, 1232778, 1643704, 2465556, 2671019, 3287408, 4931112, 5342038, 6574816, 8013057, 9862224, 10684076, 16026114, 19724448, 21368152, 32052228, 42736304, 64104456, 85472608, 128208912, 256417824]

約数ペア:

[(1, 256417824), (2, 128208912), (3, 85472608), (4, 64104456), (6, 42736304), (8, 32052228), (12, 21368152), (13, 19724448), (16, 16026114), (24, 10684076), (26, 9862224), (32, 8013057), (39, 6574816), (48, 5342038), (52, 4931112), (78, 3287408), (96, 2671019), (104, 2465556), (156, 1643704), (208, 1232778), (312, 821852), (416, 616389), (624, 410926), (1248, 205463)]