25782016

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 56774144

約数和(自身を除く): 30992128

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 127, 128, 208, 244, 254, 256, 416, 488, 508, 793, 832, 976, 1016, 1586, 1651, 1664, 1952, 2032, 3172, 3302, 3328, 3904, 4064, 6344, 6604, 7747, 7808, 8128, 12688, 13208, 15494, 15616, 16256, 25376, 26416, 30988, 32512, 50752, 52832, 61976, 100711, 101504, 105664, 123952, 201422, 203008, 211328, 247904, 402844, 422656, 495808, 805688, 991616, 1611376, 1983232, 3222752, 6445504, 12891008, 25782016]

約数ペア:

[(1, 25782016), (2, 12891008), (4, 6445504), (8, 3222752), (13, 1983232), (16, 1611376), (26, 991616), (32, 805688), (52, 495808), (61, 422656), (64, 402844), (104, 247904), (122, 211328), (127, 203008), (128, 201422), (208, 123952), (244, 105664), (254, 101504), (256, 100711), (416, 61976), (488, 52832), (508, 50752), (793, 32512), (832, 30988), (976, 26416), (1016, 25376), (1586, 16256), (1651, 15616), (1664, 15494), (1952, 13208), (2032, 12688), (3172, 8128), (3302, 7808), (3328, 7747), (3904, 6604), (4064, 6344)]