28261888

素因数分解:

$2^9\times {\mathrm{17}}^2\times {\mathrm{191}}^1$

素因数の和:243

約数の個数: 60

約数和(自身を含む): 60299712

約数和(自身を除く): 32037824

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 191, 256, 272, 289, 382, 512, 544, 578, 764, 1088, 1156, 1528, 2176, 2312, 3056, 3247, 4352, 4624, 6112, 6494, 8704, 9248, 12224, 12988, 18496, 24448, 25976, 36992, 48896, 51952, 55199, 73984, 97792, 103904, 110398, 147968, 207808, 220796, 415616, 441592, 831232, 883184, 1662464, 1766368, 3532736, 7065472, 14130944, 28261888]

約数ペア:

[(1, 28261888), (2, 14130944), (4, 7065472), (8, 3532736), (16, 1766368), (17, 1662464), (32, 883184), (34, 831232), (64, 441592), (68, 415616), (128, 220796), (136, 207808), (191, 147968), (256, 110398), (272, 103904), (289, 97792), (382, 73984), (512, 55199), (544, 51952), (578, 48896), (764, 36992), (1088, 25976), (1156, 24448), (1528, 18496), (2176, 12988), (2312, 12224), (3056, 9248), (3247, 8704), (4352, 6494), (4624, 6112)]