28807408

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 68138496

約数和(自身を除く): 39331088

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 53, 56, 92, 106, 112, 161, 184, 211, 212, 322, 368, 371, 422, 424, 644, 742, 844, 848, 1219, 1288, 1477, 1484, 1688, 2438, 2576, 2954, 2968, 3376, 4853, 4876, 5908, 5936, 8533, 9706, 9752, 11183, 11816, 17066, 19412, 19504, 22366, 23632, 33971, 34132, 38824, 44732, 67942, 68264, 77648, 78281, 89464, 135884, 136528, 156562, 178928, 257209, 271768, 313124, 514418, 543536, 626248, 1028836, 1252496, 1800463, 2057672, 3600926, 4115344, 7201852, 14403704, 28807408]

約数ペア:

[(1, 28807408), (2, 14403704), (4, 7201852), (7, 4115344), (8, 3600926), (14, 2057672), (16, 1800463), (23, 1252496), (28, 1028836), (46, 626248), (53, 543536), (56, 514418), (92, 313124), (106, 271768), (112, 257209), (161, 178928), (184, 156562), (211, 136528), (212, 135884), (322, 89464), (368, 78281), (371, 77648), (422, 68264), (424, 67942), (644, 44732), (742, 38824), (844, 34132), (848, 33971), (1219, 23632), (1288, 22366), (1477, 19504), (1484, 19412), (1688, 17066), (2438, 11816), (2576, 11183), (2954, 9752), (2968, 9706), (3376, 8533), (4853, 5936), (4876, 5908)]