81940352

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2141}}^1$

素因数の和:2191

約数の個数: 64

約数和(自身を含む): 183526560

約数和(自身を除く): 101586208

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 299, 368, 416, 598, 736, 832, 1196, 1472, 1664, 2141, 2392, 2944, 4282, 4784, 8564, 9568, 17128, 19136, 27833, 34256, 38272, 49243, 55666, 68512, 98486, 111332, 137024, 196972, 222664, 274048, 393944, 445328, 640159, 787888, 890656, 1280318, 1575776, 1781312, 2560636, 3151552, 3562624, 5121272, 6303104, 10242544, 20485088, 40970176, 81940352]

約数ペア:

[(1, 81940352), (2, 40970176), (4, 20485088), (8, 10242544), (13, 6303104), (16, 5121272), (23, 3562624), (26, 3151552), (32, 2560636), (46, 1781312), (52, 1575776), (64, 1280318), (92, 890656), (104, 787888), (128, 640159), (184, 445328), (208, 393944), (299, 274048), (368, 222664), (416, 196972), (598, 137024), (736, 111332), (832, 98486), (1196, 68512), (1472, 55666), (1664, 49243), (2141, 38272), (2392, 34256), (2944, 27833), (4282, 19136), (4784, 17128), (8564, 9568)]