252963584

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 521612448

約数和(自身を除く): 268648864

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 97, 122, 128, 167, 194, 244, 256, 334, 388, 488, 668, 776, 976, 1336, 1552, 1952, 2672, 3104, 3904, 5344, 5917, 6208, 7808, 10187, 10688, 11834, 12416, 15616, 16199, 20374, 21376, 23668, 24832, 32398, 40748, 42752, 47336, 64796, 81496, 94672, 129592, 162992, 189344, 259184, 325984, 378688, 518368, 651968, 757376, 988139, 1036736, 1303936, 1514752, 1976278, 2073472, 2607872, 3952556, 4146944, 7905112, 15810224, 31620448, 63240896, 126481792, 252963584]

約数ペア:

[(1, 252963584), (2, 126481792), (4, 63240896), (8, 31620448), (16, 15810224), (32, 7905112), (61, 4146944), (64, 3952556), (97, 2607872), (122, 2073472), (128, 1976278), (167, 1514752), (194, 1303936), (244, 1036736), (256, 988139), (334, 757376), (388, 651968), (488, 518368), (668, 378688), (776, 325984), (976, 259184), (1336, 189344), (1552, 162992), (1952, 129592), (2672, 94672), (3104, 81496), (3904, 64796), (5344, 47336), (5917, 42752), (6208, 40748), (7808, 32398), (10187, 24832), (10688, 23668), (11834, 21376), (12416, 20374), (15616, 16199)]