718444728

素因数分解:

$2^3\times 3^4\times {\mathrm{1108711}}^1$

素因数の和:1108729

約数の個数: 40

約数和(自身を含む): 2012312280

約数和(自身を除く): 1293867552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1108711, 2217422, 3326133, 4434844, 6652266, 8869688, 9978399, 13304532, 19956798, 26609064, 29935197, 39913596, 59870394, 79827192, 89805591, 119740788, 179611182, 239481576, 359222364, 718444728]

約数ペア:

[(1, 718444728), (2, 359222364), (3, 239481576), (4, 179611182), (6, 119740788), (8, 89805591), (9, 79827192), (12, 59870394), (18, 39913596), (24, 29935197), (27, 26609064), (36, 19956798), (54, 13304532), (72, 9978399), (81, 8869688), (108, 6652266), (162, 4434844), (216, 3326133), (324, 2217422), (648, 1108711)]