16646656

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 80

約数和(自身を含む): 37294488

約数和(自身を除く): 20647832

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 61, 64, 82, 104, 122, 128, 164, 208, 244, 256, 328, 416, 488, 512, 533, 656, 793, 832, 976, 1066, 1312, 1586, 1664, 1952, 2132, 2501, 2624, 3172, 3328, 3904, 4264, 5002, 5248, 6344, 6656, 7808, 8528, 10004, 10496, 12688, 15616, 17056, 20008, 20992, 25376, 31232, 32513, 34112, 40016, 50752, 65026, 68224, 80032, 101504, 130052, 136448, 160064, 203008, 260104, 272896, 320128, 406016, 520208, 640256, 1040416, 1280512, 2080832, 4161664, 8323328, 16646656]

約数ペア:

[(1, 16646656), (2, 8323328), (4, 4161664), (8, 2080832), (13, 1280512), (16, 1040416), (26, 640256), (32, 520208), (41, 406016), (52, 320128), (61, 272896), (64, 260104), (82, 203008), (104, 160064), (122, 136448), (128, 130052), (164, 101504), (208, 80032), (244, 68224), (256, 65026), (328, 50752), (416, 40016), (488, 34112), (512, 32513), (533, 31232), (656, 25376), (793, 20992), (832, 20008), (976, 17056), (1066, 15616), (1312, 12688), (1586, 10496), (1664, 10004), (1952, 8528), (2132, 7808), (2501, 6656), (2624, 6344), (3172, 5248), (3328, 5002), (3904, 4264)]