138876112

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{421}}^1$

素因数の和:871

約数の個数: 40

約数和(自身を含む): 275506920

約数和(自身を除く): 136630808

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 389, 421, 424, 778, 842, 848, 1556, 1684, 3112, 3368, 6224, 6736, 20617, 22313, 41234, 44626, 82468, 89252, 163769, 164936, 178504, 327538, 329872, 357008, 655076, 1310152, 2620304, 8679757, 17359514, 34719028, 69438056, 138876112]

約数ペア:

[(1, 138876112), (2, 69438056), (4, 34719028), (8, 17359514), (16, 8679757), (53, 2620304), (106, 1310152), (212, 655076), (389, 357008), (421, 329872), (424, 327538), (778, 178504), (842, 164936), (848, 163769), (1556, 89252), (1684, 82468), (3112, 44626), (3368, 41234), (6224, 22313), (6736, 20617)]