218971568

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{907}}^1$

素因数の和:1185

約数の個数: 40

約数和(自身を含む): 432353280

約数和(自身を除く): 213381712

約数列:

[1, 2, 4, 8, 16, 79, 158, 191, 316, 382, 632, 764, 907, 1264, 1528, 1814, 3056, 3628, 7256, 14512, 15089, 30178, 60356, 71653, 120712, 143306, 173237, 241424, 286612, 346474, 573224, 692948, 1146448, 1385896, 2771792, 13685723, 27371446, 54742892, 109485784, 218971568]

約数ペア:

[(1, 218971568), (2, 109485784), (4, 54742892), (8, 27371446), (16, 13685723), (79, 2771792), (158, 1385896), (191, 1146448), (316, 692948), (382, 573224), (632, 346474), (764, 286612), (907, 241424), (1264, 173237), (1528, 143306), (1814, 120712), (3056, 71653), (3628, 60356), (7256, 30178), (14512, 15089)]