128840364

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 336864528

約数和(自身を除く): 208024164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 197, 222, 333, 394, 444, 491, 591, 666, 788, 982, 1182, 1332, 1473, 1773, 1964, 2364, 2946, 3546, 4419, 5892, 7092, 7289, 8838, 14578, 17676, 18167, 21867, 29156, 36334, 43734, 54501, 65601, 72668, 87468, 96727, 109002, 131202, 163503, 193454, 218004, 262404, 290181, 327006, 386908, 580362, 654012, 870543, 1160724, 1741086, 3482172, 3578899, 7157798, 10736697, 14315596, 21473394, 32210091, 42946788, 64420182, 128840364]

約数ペア:

[(1, 128840364), (2, 64420182), (3, 42946788), (4, 32210091), (6, 21473394), (9, 14315596), (12, 10736697), (18, 7157798), (36, 3578899), (37, 3482172), (74, 1741086), (111, 1160724), (148, 870543), (197, 654012), (222, 580362), (333, 386908), (394, 327006), (444, 290181), (491, 262404), (591, 218004), (666, 193454), (788, 163503), (982, 131202), (1182, 109002), (1332, 96727), (1473, 87468), (1773, 72668), (1964, 65601), (2364, 54501), (2946, 43734), (3546, 36334), (4419, 29156), (5892, 21867), (7092, 18167), (7289, 17676), (8838, 14578)]