1280453746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5261}}^1$

素因数の和:5347

約数の個数: 64

約数和(自身を含む): 2418667776

約数和(自身を除く): 1138214030

約数列:

[1, 2, 11, 13, 22, 23, 26, 37, 46, 74, 143, 253, 286, 299, 407, 481, 506, 598, 814, 851, 962, 1702, 3289, 5261, 5291, 6578, 9361, 10522, 10582, 11063, 18722, 22126, 57871, 68393, 115742, 121003, 121693, 136786, 194657, 242006, 243386, 389314, 752323, 1331033, 1504646, 1573039, 2141227, 2530541, 2662066, 3146078, 4282454, 4477111, 5061082, 8954222, 17303429, 27835951, 34606858, 49248221, 55671902, 58202443, 98496442, 116404886, 640226873, 1280453746]

約数ペア:

[(1, 1280453746), (2, 640226873), (11, 116404886), (13, 98496442), (22, 58202443), (23, 55671902), (26, 49248221), (37, 34606858), (46, 27835951), (74, 17303429), (143, 8954222), (253, 5061082), (286, 4477111), (299, 4282454), (407, 3146078), (481, 2662066), (506, 2530541), (598, 2141227), (814, 1573039), (851, 1504646), (962, 1331033), (1702, 752323), (3289, 389314), (5261, 243386), (5291, 242006), (6578, 194657), (9361, 136786), (10522, 121693), (10582, 121003), (11063, 115742), (18722, 68393), (22126, 57871)]