81974928

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{243973}}^1$

素因数の和:243991

約数の個数: 40

約数和(自身を含む): 242022208

約数和(自身を除く): 160047280

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 243973, 487946, 731919, 975892, 1463838, 1707811, 1951784, 2927676, 3415622, 3903568, 5123433, 5855352, 6831244, 10246866, 11710704, 13662488, 20493732, 27324976, 40987464, 81974928]

約数ペア:

[(1, 81974928), (2, 40987464), (3, 27324976), (4, 20493732), (6, 13662488), (7, 11710704), (8, 10246866), (12, 6831244), (14, 5855352), (16, 5123433), (21, 3903568), (24, 3415622), (28, 2927676), (42, 1951784), (48, 1707811), (56, 1463838), (84, 975892), (112, 731919), (168, 487946), (336, 243973)]