16221568

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 36242640

約数和(自身を除く): 20021072

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 64, 82, 88, 128, 164, 176, 281, 328, 352, 451, 562, 656, 704, 902, 1124, 1312, 1408, 1804, 2248, 2624, 3091, 3608, 4496, 5248, 6182, 7216, 8992, 11521, 12364, 14432, 17984, 23042, 24728, 28864, 35968, 46084, 49456, 57728, 92168, 98912, 126731, 184336, 197824, 253462, 368672, 395648, 506924, 737344, 1013848, 1474688, 2027696, 4055392, 8110784, 16221568]

約数ペア:

[(1, 16221568), (2, 8110784), (4, 4055392), (8, 2027696), (11, 1474688), (16, 1013848), (22, 737344), (32, 506924), (41, 395648), (44, 368672), (64, 253462), (82, 197824), (88, 184336), (128, 126731), (164, 98912), (176, 92168), (281, 57728), (328, 49456), (352, 46084), (451, 35968), (562, 28864), (656, 24728), (704, 23042), (902, 17984), (1124, 14432), (1312, 12364), (1408, 11521), (1804, 8992), (2248, 7216), (2624, 6182), (3091, 5248), (3608, 4496)]