399420072

素因数分解:

$2^3\times 3^5\times {\mathrm{205463}}^1$

素因数の和:205484

約数の個数: 48

約数和(自身を含む): 1121833440

約数和(自身を除く): 722413368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 205463, 410926, 616389, 821852, 1232778, 1643704, 1849167, 2465556, 3698334, 4931112, 5547501, 7396668, 11095002, 14793336, 16642503, 22190004, 33285006, 44380008, 49927509, 66570012, 99855018, 133140024, 199710036, 399420072]

約数ペア:

[(1, 399420072), (2, 199710036), (3, 133140024), (4, 99855018), (6, 66570012), (8, 49927509), (9, 44380008), (12, 33285006), (18, 22190004), (24, 16642503), (27, 14793336), (36, 11095002), (54, 7396668), (72, 5547501), (81, 4931112), (108, 3698334), (162, 2465556), (216, 1849167), (243, 1643704), (324, 1232778), (486, 821852), (648, 616389), (972, 410926), (1944, 205463)]