221876904

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1319}}^1$

素因数の和:1534

約数の個数: 64

約数和(自身を含む): 571507200

約数和(自身を除く): 349630296

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 163, 172, 258, 326, 344, 489, 516, 652, 978, 1032, 1304, 1319, 1956, 2638, 3912, 3957, 5276, 7009, 7914, 10552, 14018, 15828, 21027, 28036, 31656, 42054, 56072, 56717, 84108, 113434, 168216, 170151, 214997, 226868, 340302, 429994, 453736, 644991, 680604, 859988, 1289982, 1361208, 1719976, 2579964, 5159928, 9244871, 18489742, 27734613, 36979484, 55469226, 73958968, 110938452, 221876904]

約数ペア:

[(1, 221876904), (2, 110938452), (3, 73958968), (4, 55469226), (6, 36979484), (8, 27734613), (12, 18489742), (24, 9244871), (43, 5159928), (86, 2579964), (129, 1719976), (163, 1361208), (172, 1289982), (258, 859988), (326, 680604), (344, 644991), (489, 453736), (516, 429994), (652, 340302), (978, 226868), (1032, 214997), (1304, 170151), (1319, 168216), (1956, 113434), (2638, 84108), (3912, 56717), (3957, 56072), (5276, 42054), (7009, 31656), (7914, 28036), (10552, 21027), (14018, 15828)]