287722743

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 495673344

約数和(自身を除く): 207950601

約数列:

[1, 3, 7, 11, 21, 33, 53, 71, 77, 159, 213, 231, 331, 371, 497, 583, 781, 993, 1113, 1491, 1749, 2317, 2343, 3641, 3763, 4081, 5467, 6951, 10923, 11289, 12243, 16401, 17543, 23501, 25487, 26341, 41393, 52629, 70503, 76461, 79023, 122801, 124179, 164507, 192973, 258511, 289751, 368403, 493521, 578919, 775533, 869253, 1245553, 1350811, 1809577, 3736659, 4052433, 5428731, 8718871, 13701083, 26156613, 41103249, 95907581, 287722743]

約数ペア:

[(1, 287722743), (3, 95907581), (7, 41103249), (11, 26156613), (21, 13701083), (33, 8718871), (53, 5428731), (71, 4052433), (77, 3736659), (159, 1809577), (213, 1350811), (231, 1245553), (331, 869253), (371, 775533), (497, 578919), (583, 493521), (781, 368403), (993, 289751), (1113, 258511), (1491, 192973), (1749, 164507), (2317, 124179), (2343, 122801), (3641, 79023), (3763, 76461), (4081, 70503), (5467, 52629), (6951, 41393), (10923, 26341), (11289, 25487), (12243, 23501), (16401, 17543)]