208728832

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3301}}^1$

素因数の和:3349

約数の個数: 72

約数和(自身を含む): 472450160

約数和(自身を除く): 263721328

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 494, 608, 832, 988, 1216, 1664, 1976, 2432, 3301, 3328, 3952, 4864, 6602, 7904, 13204, 15808, 26408, 31616, 42913, 52816, 62719, 63232, 85826, 105632, 125438, 171652, 211264, 250876, 343304, 422528, 501752, 686608, 815347, 845056, 1003504, 1373216, 1630694, 2007008, 2746432, 3261388, 4014016, 5492864, 6522776, 8028032, 10985728, 13045552, 16056064, 26091104, 52182208, 104364416, 208728832]

約数ペア:

[(1, 208728832), (2, 104364416), (4, 52182208), (8, 26091104), (13, 16056064), (16, 13045552), (19, 10985728), (26, 8028032), (32, 6522776), (38, 5492864), (52, 4014016), (64, 3261388), (76, 2746432), (104, 2007008), (128, 1630694), (152, 1373216), (208, 1003504), (247, 845056), (256, 815347), (304, 686608), (416, 501752), (494, 422528), (608, 343304), (832, 250876), (988, 211264), (1216, 171652), (1664, 125438), (1976, 105632), (2432, 85826), (3301, 63232), (3328, 62719), (3952, 52816), (4864, 42913), (6602, 31616), (7904, 26408), (13204, 15808)]