28385028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1543}}^1$

素因数の和:1633

約数の個数: 72

約数和(自身を含む): 83178368

約数和(自身を除く): 54793340

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1314, 1533, 1543, 2044, 2628, 3066, 3086, 4599, 4629, 6132, 6172, 9198, 9258, 10801, 13887, 18396, 18516, 21602, 27774, 32403, 43204, 55548, 64806, 97209, 112639, 129612, 194418, 225278, 337917, 388836, 450556, 675834, 788473, 1013751, 1351668, 1576946, 2027502, 2365419, 3153892, 4055004, 4730838, 7096257, 9461676, 14192514, 28385028]

約数ペア:

[(1, 28385028), (2, 14192514), (3, 9461676), (4, 7096257), (6, 4730838), (7, 4055004), (9, 3153892), (12, 2365419), (14, 2027502), (18, 1576946), (21, 1351668), (28, 1013751), (36, 788473), (42, 675834), (63, 450556), (73, 388836), (84, 337917), (126, 225278), (146, 194418), (219, 129612), (252, 112639), (292, 97209), (438, 64806), (511, 55548), (657, 43204), (876, 32403), (1022, 27774), (1314, 21602), (1533, 18516), (1543, 18396), (2044, 13887), (2628, 10801), (3066, 9258), (3086, 9198), (4599, 6172), (4629, 6132)]