249815696

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:784

約数の個数: 80

約数和(自身を含む): 551631360

約数和(自身を除く): 301815664

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 79, 92, 104, 158, 184, 208, 299, 316, 368, 598, 632, 661, 1027, 1196, 1264, 1322, 1817, 2054, 2392, 2644, 3634, 4108, 4784, 5288, 7268, 8216, 8593, 10576, 14536, 15203, 16432, 17186, 23621, 29072, 30406, 34372, 47242, 52219, 60812, 68744, 94484, 104438, 121624, 137488, 188968, 197639, 208876, 243248, 377936, 395278, 417752, 678847, 790556, 835504, 1201037, 1357694, 1581112, 2402074, 2715388, 3162224, 4804148, 5430776, 9608296, 10861552, 15613481, 19216592, 31226962, 62453924, 124907848, 249815696]

約数ペア:

[(1, 249815696), (2, 124907848), (4, 62453924), (8, 31226962), (13, 19216592), (16, 15613481), (23, 10861552), (26, 9608296), (46, 5430776), (52, 4804148), (79, 3162224), (92, 2715388), (104, 2402074), (158, 1581112), (184, 1357694), (208, 1201037), (299, 835504), (316, 790556), (368, 678847), (598, 417752), (632, 395278), (661, 377936), (1027, 243248), (1196, 208876), (1264, 197639), (1322, 188968), (1817, 137488), (2054, 121624), (2392, 104438), (2644, 94484), (3634, 68744), (4108, 60812), (4784, 52219), (5288, 47242), (7268, 34372), (8216, 30406), (8593, 29072), (10576, 23621), (14536, 17186), (15203, 16432)]