31499244

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{523}}^1$

素因数の和:779

約数の個数: 72

約数和(自身を含む): 91553280

約数和(自身を除く): 60054036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 239, 252, 478, 523, 717, 956, 1046, 1434, 1569, 1673, 2092, 2151, 2868, 3138, 3346, 3661, 4302, 4707, 5019, 6276, 6692, 7322, 8604, 9414, 10038, 10983, 14644, 15057, 18828, 20076, 21966, 30114, 32949, 43932, 60228, 65898, 124997, 131796, 249994, 374991, 499988, 749982, 874979, 1124973, 1499964, 1749958, 2249946, 2624937, 3499916, 4499892, 5249874, 7874811, 10499748, 15749622, 31499244]

約数ペア:

[(1, 31499244), (2, 15749622), (3, 10499748), (4, 7874811), (6, 5249874), (7, 4499892), (9, 3499916), (12, 2624937), (14, 2249946), (18, 1749958), (21, 1499964), (28, 1124973), (36, 874979), (42, 749982), (63, 499988), (84, 374991), (126, 249994), (239, 131796), (252, 124997), (478, 65898), (523, 60228), (717, 43932), (956, 32949), (1046, 30114), (1434, 21966), (1569, 20076), (1673, 18828), (2092, 15057), (2151, 14644), (2868, 10983), (3138, 10038), (3346, 9414), (3661, 8604), (4302, 7322), (4707, 6692), (5019, 6276)]