64272728

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 131825880

約数和(自身を除く): 67553152

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 169, 274, 338, 347, 548, 676, 694, 1096, 1352, 1388, 1781, 2776, 3562, 4511, 7124, 9022, 14248, 18044, 23153, 36088, 46306, 47539, 58643, 92612, 95078, 117286, 185224, 190156, 234572, 380312, 469144, 618007, 1236014, 2472028, 4944056, 8034091, 16068182, 32136364, 64272728]

約数ペア:

[(1, 64272728), (2, 32136364), (4, 16068182), (8, 8034091), (13, 4944056), (26, 2472028), (52, 1236014), (104, 618007), (137, 469144), (169, 380312), (274, 234572), (338, 190156), (347, 185224), (548, 117286), (676, 95078), (694, 92612), (1096, 58643), (1352, 47539), (1388, 46306), (1781, 36088), (2776, 23153), (3562, 18044), (4511, 14248), (7124, 9022)]