261622504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3221}}^1$

素因数の和:3322

約数の個数: 64

約数和(自身を含む): 584599680

約数和(自身を除く): 322977176

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 71, 88, 104, 142, 143, 284, 286, 568, 572, 781, 923, 1144, 1562, 1846, 3124, 3221, 3692, 6248, 6442, 7384, 10153, 12884, 20306, 25768, 35431, 40612, 41873, 70862, 81224, 83746, 141724, 167492, 228691, 283448, 334984, 457382, 460603, 914764, 921206, 1829528, 1842412, 2515601, 2972983, 3684824, 5031202, 5945966, 10062404, 11891932, 20124808, 23783864, 32702813, 65405626, 130811252, 261622504]

約数ペア:

[(1, 261622504), (2, 130811252), (4, 65405626), (8, 32702813), (11, 23783864), (13, 20124808), (22, 11891932), (26, 10062404), (44, 5945966), (52, 5031202), (71, 3684824), (88, 2972983), (104, 2515601), (142, 1842412), (143, 1829528), (284, 921206), (286, 914764), (568, 460603), (572, 457382), (781, 334984), (923, 283448), (1144, 228691), (1562, 167492), (1846, 141724), (3124, 83746), (3221, 81224), (3692, 70862), (6248, 41873), (6442, 40612), (7384, 35431), (10153, 25768), (12884, 20306)]