208540218

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{487}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 455362560

約数和(自身を除く): 246822342

約数列:

[1, 2, 3, 6, 23, 29, 46, 58, 69, 87, 107, 138, 174, 214, 321, 487, 642, 667, 974, 1334, 1461, 2001, 2461, 2922, 3103, 4002, 4922, 6206, 7383, 9309, 11201, 14123, 14766, 18618, 22402, 28246, 33603, 42369, 52109, 67206, 71369, 84738, 104218, 142738, 156327, 214107, 312654, 324829, 428214, 649658, 974487, 1198507, 1511161, 1948974, 2397014, 3022322, 3595521, 4533483, 7191042, 9066966, 34756703, 69513406, 104270109, 208540218]

約数ペア:

[(1, 208540218), (2, 104270109), (3, 69513406), (6, 34756703), (23, 9066966), (29, 7191042), (46, 4533483), (58, 3595521), (69, 3022322), (87, 2397014), (107, 1948974), (138, 1511161), (174, 1198507), (214, 974487), (321, 649658), (487, 428214), (642, 324829), (667, 312654), (974, 214107), (1334, 156327), (1461, 142738), (2001, 104218), (2461, 84738), (2922, 71369), (3103, 67206), (4002, 52109), (4922, 42369), (6206, 33603), (7383, 28246), (9309, 22402), (11201, 18618), (14123, 14766)]