647494016

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6379}}^1$

素因数の和:6467

約数の個数: 64

約数和(自身を含む): 1412149200

約数和(自身を除く): 764655184

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 208, 244, 416, 488, 793, 832, 976, 1586, 1664, 1952, 3172, 3904, 6344, 6379, 7808, 12688, 12758, 25376, 25516, 50752, 51032, 82927, 101504, 102064, 165854, 204128, 331708, 389119, 408256, 663416, 778238, 816512, 1326832, 1556476, 2653664, 3112952, 5058547, 5307328, 6225904, 10117094, 10614656, 12451808, 20234188, 24903616, 40468376, 49807232, 80936752, 161873504, 323747008, 647494016]

約数ペア:

[(1, 647494016), (2, 323747008), (4, 161873504), (8, 80936752), (13, 49807232), (16, 40468376), (26, 24903616), (32, 20234188), (52, 12451808), (61, 10614656), (64, 10117094), (104, 6225904), (122, 5307328), (128, 5058547), (208, 3112952), (244, 2653664), (416, 1556476), (488, 1326832), (793, 816512), (832, 778238), (976, 663416), (1586, 408256), (1664, 389119), (1952, 331708), (3172, 204128), (3904, 165854), (6344, 102064), (6379, 101504), (7808, 82927), (12688, 51032), (12758, 50752), (25376, 25516)]