205009664

素因数分解:

$2^8\times {\mathrm{17}}^3\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 72

約数和(自身を含む): 437456880

約数和(自身を除く): 232447216

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 163, 256, 272, 289, 326, 544, 578, 652, 1088, 1156, 1304, 2176, 2312, 2608, 2771, 4352, 4624, 4913, 5216, 5542, 9248, 9826, 10432, 11084, 18496, 19652, 20864, 22168, 36992, 39304, 41728, 44336, 47107, 73984, 78608, 88672, 94214, 157216, 177344, 188428, 314432, 354688, 376856, 628864, 709376, 753712, 800819, 1257728, 1507424, 1601638, 3014848, 3203276, 6029696, 6406552, 12059392, 12813104, 25626208, 51252416, 102504832, 205009664]

約数ペア:

[(1, 205009664), (2, 102504832), (4, 51252416), (8, 25626208), (16, 12813104), (17, 12059392), (32, 6406552), (34, 6029696), (64, 3203276), (68, 3014848), (128, 1601638), (136, 1507424), (163, 1257728), (256, 800819), (272, 753712), (289, 709376), (326, 628864), (544, 376856), (578, 354688), (652, 314432), (1088, 188428), (1156, 177344), (1304, 157216), (2176, 94214), (2312, 88672), (2608, 78608), (2771, 73984), (4352, 47107), (4624, 44336), (4913, 41728), (5216, 39304), (5542, 36992), (9248, 22168), (9826, 20864), (10432, 19652), (11084, 18496)]