72742456

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 147212640

約数和(自身を除く): 74470184

約数列:

[1, 2, 4, 8, 17, 34, 68, 73, 136, 146, 289, 292, 431, 578, 584, 862, 1156, 1241, 1724, 2312, 2482, 3448, 4964, 7327, 9928, 14654, 21097, 29308, 31463, 42194, 58616, 62926, 84388, 124559, 125852, 168776, 249118, 251704, 498236, 534871, 996472, 1069742, 2139484, 4278968, 9092807, 18185614, 36371228, 72742456]

約数ペア:

[(1, 72742456), (2, 36371228), (4, 18185614), (8, 9092807), (17, 4278968), (34, 2139484), (68, 1069742), (73, 996472), (136, 534871), (146, 498236), (289, 251704), (292, 249118), (431, 168776), (578, 125852), (584, 124559), (862, 84388), (1156, 62926), (1241, 58616), (1724, 42194), (2312, 31463), (2482, 29308), (3448, 21097), (4964, 14654), (7327, 9928)]