81752818

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{461}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 143700480

約数和(自身を除く): 61947662

約数列:

[1, 2, 7, 14, 53, 106, 239, 371, 461, 478, 742, 922, 1673, 3227, 3346, 6454, 12667, 24433, 25334, 48866, 88669, 110179, 171031, 177338, 220358, 342062, 771253, 1542506, 5839487, 11678974, 40876409, 81752818]

約数ペア:

[(1, 81752818), (2, 40876409), (7, 11678974), (14, 5839487), (53, 1542506), (106, 771253), (239, 342062), (371, 220358), (461, 177338), (478, 171031), (742, 110179), (922, 88669), (1673, 48866), (3227, 25334), (3346, 24433), (6454, 12667)]