261172736

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:695

約数の個数: 80

約数和(自身を含む): 577463040

約数和(自身を除く): 316290304

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 79, 88, 128, 158, 176, 256, 316, 352, 512, 587, 632, 704, 869, 1174, 1264, 1408, 1738, 2348, 2528, 2816, 3476, 4696, 5056, 5632, 6457, 6952, 9392, 10112, 12914, 13904, 18784, 20224, 25828, 27808, 37568, 40448, 46373, 51656, 55616, 75136, 92746, 103312, 111232, 150272, 185492, 206624, 222464, 300544, 370984, 413248, 444928, 510103, 741968, 826496, 1020206, 1483936, 1652992, 2040412, 2967872, 3305984, 4080824, 5935744, 8161648, 11871488, 16323296, 23742976, 32646592, 65293184, 130586368, 261172736]

約数ペア:

[(1, 261172736), (2, 130586368), (4, 65293184), (8, 32646592), (11, 23742976), (16, 16323296), (22, 11871488), (32, 8161648), (44, 5935744), (64, 4080824), (79, 3305984), (88, 2967872), (128, 2040412), (158, 1652992), (176, 1483936), (256, 1020206), (316, 826496), (352, 741968), (512, 510103), (587, 444928), (632, 413248), (704, 370984), (869, 300544), (1174, 222464), (1264, 206624), (1408, 185492), (1738, 150272), (2348, 111232), (2528, 103312), (2816, 92746), (3476, 75136), (4696, 55616), (5056, 51656), (5632, 46373), (6457, 40448), (6952, 37568), (9392, 27808), (10112, 25828), (12914, 20224), (13904, 18784)]