87781616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:414

約数の個数: 80

約数和(自身を含む): 194987520

約数和(自身を除く): 107205904

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 59, 92, 104, 118, 184, 208, 236, 299, 311, 368, 472, 598, 622, 767, 944, 1196, 1244, 1357, 1534, 2392, 2488, 2714, 3068, 4043, 4784, 4976, 5428, 6136, 7153, 8086, 10856, 12272, 14306, 16172, 17641, 18349, 21712, 28612, 32344, 35282, 36698, 57224, 64688, 70564, 73396, 92989, 114448, 141128, 146792, 185978, 238537, 282256, 293584, 371956, 422027, 477074, 743912, 844054, 954148, 1487824, 1688108, 1908296, 3376216, 3816592, 5486351, 6752432, 10972702, 21945404, 43890808, 87781616]

約数ペア:

[(1, 87781616), (2, 43890808), (4, 21945404), (8, 10972702), (13, 6752432), (16, 5486351), (23, 3816592), (26, 3376216), (46, 1908296), (52, 1688108), (59, 1487824), (92, 954148), (104, 844054), (118, 743912), (184, 477074), (208, 422027), (236, 371956), (299, 293584), (311, 282256), (368, 238537), (472, 185978), (598, 146792), (622, 141128), (767, 114448), (944, 92989), (1196, 73396), (1244, 70564), (1357, 64688), (1534, 57224), (2392, 36698), (2488, 35282), (2714, 32344), (3068, 28612), (4043, 21712), (4784, 18349), (4976, 17641), (5428, 16172), (6136, 14306), (7153, 12272), (8086, 10856)]