278909888

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{659}}^1$

素因数の和:1077

約数の個数: 56

約数和(自身を含む): 588416400

約数和(自身を除く): 309506512

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 389, 544, 659, 778, 1088, 1318, 1556, 2636, 3112, 5272, 6224, 6613, 10544, 11203, 12448, 13226, 21088, 22406, 24896, 26452, 42176, 44812, 52904, 89624, 105808, 179248, 211616, 256351, 358496, 423232, 512702, 716992, 1025404, 2050808, 4101616, 4357967, 8203232, 8715934, 16406464, 17431868, 34863736, 69727472, 139454944, 278909888]

約数ペア:

[(1, 278909888), (2, 139454944), (4, 69727472), (8, 34863736), (16, 17431868), (17, 16406464), (32, 8715934), (34, 8203232), (64, 4357967), (68, 4101616), (136, 2050808), (272, 1025404), (389, 716992), (544, 512702), (659, 423232), (778, 358496), (1088, 256351), (1318, 211616), (1556, 179248), (2636, 105808), (3112, 89624), (5272, 52904), (6224, 44812), (6613, 42176), (10544, 26452), (11203, 24896), (12448, 22406), (13226, 21088)]