72731776

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 157865400

約数和(自身を除く): 85133624

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 109, 128, 208, 218, 401, 416, 436, 802, 832, 872, 1417, 1604, 1664, 1744, 2834, 3208, 3488, 5213, 5668, 6416, 6976, 10426, 11336, 12832, 13952, 20852, 22672, 25664, 41704, 43709, 45344, 51328, 83408, 87418, 90688, 166816, 174836, 181376, 333632, 349672, 568217, 667264, 699344, 1136434, 1398688, 2272868, 2797376, 4545736, 5594752, 9091472, 18182944, 36365888, 72731776]

約数ペア:

[(1, 72731776), (2, 36365888), (4, 18182944), (8, 9091472), (13, 5594752), (16, 4545736), (26, 2797376), (32, 2272868), (52, 1398688), (64, 1136434), (104, 699344), (109, 667264), (128, 568217), (208, 349672), (218, 333632), (401, 181376), (416, 174836), (436, 166816), (802, 90688), (832, 87418), (872, 83408), (1417, 51328), (1604, 45344), (1664, 43709), (1744, 41704), (2834, 25664), (3208, 22672), (3488, 20852), (5213, 13952), (5668, 12832), (6416, 11336), (6976, 10426)]