781624072

素因数分解:

$2^3\times {\mathrm{43}}^2\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 1530263340

約数和(自身を除く): 748639268

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 997, 1849, 1994, 2279, 3698, 3988, 4558, 7396, 7976, 9116, 14792, 18232, 42871, 52841, 85742, 97997, 105682, 171484, 195994, 211364, 342968, 391988, 422728, 783976, 1843453, 2272163, 3686906, 4544326, 7373812, 9088652, 14747624, 18177304, 97703009, 195406018, 390812036, 781624072]

約数ペア:

[(1, 781624072), (2, 390812036), (4, 195406018), (8, 97703009), (43, 18177304), (53, 14747624), (86, 9088652), (106, 7373812), (172, 4544326), (212, 3686906), (344, 2272163), (424, 1843453), (997, 783976), (1849, 422728), (1994, 391988), (2279, 342968), (3698, 211364), (3988, 195994), (4558, 171484), (7396, 105682), (7976, 97997), (9116, 85742), (14792, 52841), (18232, 42871)]