78164528

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:382

約数の個数: 60

約数和(自身を含む): 165969288

約数和(自身を除く): 87804760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 169, 208, 211, 274, 338, 422, 548, 676, 844, 1096, 1352, 1688, 1781, 2192, 2704, 2743, 3376, 3562, 5486, 7124, 10972, 14248, 21944, 23153, 28496, 28907, 35659, 43888, 46306, 57814, 71318, 92612, 115628, 142636, 185224, 231256, 285272, 370448, 375791, 462512, 570544, 751582, 1503164, 3006328, 4885283, 6012656, 9770566, 19541132, 39082264, 78164528]

約数ペア:

[(1, 78164528), (2, 39082264), (4, 19541132), (8, 9770566), (13, 6012656), (16, 4885283), (26, 3006328), (52, 1503164), (104, 751582), (137, 570544), (169, 462512), (208, 375791), (211, 370448), (274, 285272), (338, 231256), (422, 185224), (548, 142636), (676, 115628), (844, 92612), (1096, 71318), (1352, 57814), (1688, 46306), (1781, 43888), (2192, 35659), (2704, 28907), (2743, 28496), (3376, 23153), (3562, 21944), (5486, 14248), (7124, 10972)]