217295712

素因数分解:

$2^5\times 3^2\times {\mathrm{821}}^1\times {\mathrm{919}}^1$

素因数の和:1756

約数の個数: 72

約数和(自身を含む): 619360560

約数和(自身を除く): 402064848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 821, 919, 1642, 1838, 2463, 2757, 3284, 3676, 4926, 5514, 6568, 7352, 7389, 8271, 9852, 11028, 13136, 14704, 14778, 16542, 19704, 22056, 26272, 29408, 29556, 33084, 39408, 44112, 59112, 66168, 78816, 88224, 118224, 132336, 236448, 264672, 754499, 1508998, 2263497, 3017996, 4526994, 6035992, 6790491, 9053988, 12071984, 13580982, 18107976, 24143968, 27161964, 36215952, 54323928, 72431904, 108647856, 217295712]

約数ペア:

[(1, 217295712), (2, 108647856), (3, 72431904), (4, 54323928), (6, 36215952), (8, 27161964), (9, 24143968), (12, 18107976), (16, 13580982), (18, 12071984), (24, 9053988), (32, 6790491), (36, 6035992), (48, 4526994), (72, 3017996), (96, 2263497), (144, 1508998), (288, 754499), (821, 264672), (919, 236448), (1642, 132336), (1838, 118224), (2463, 88224), (2757, 78816), (3284, 66168), (3676, 59112), (4926, 44112), (5514, 39408), (6568, 33084), (7352, 29556), (7389, 29408), (8271, 26272), (9852, 22056), (11028, 19704), (13136, 16542), (14704, 14778)]