128980908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11903}}^1$

素因数の和:11963

約数の個数: 72

約数和(自身を含む): 381308928

約数和(自身を除く): 252328020

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 3612, 5418, 10836, 11903, 23806, 35709, 47612, 71418, 83321, 107127, 142836, 166642, 214254, 249963, 333284, 428508, 499926, 511829, 749889, 999852, 1023658, 1499778, 1535487, 2047316, 2999556, 3070974, 3582803, 4606461, 6141948, 7165606, 9212922, 10748409, 14331212, 18425844, 21496818, 32245227, 42993636, 64490454, 128980908]

約数ペア:

[(1, 128980908), (2, 64490454), (3, 42993636), (4, 32245227), (6, 21496818), (7, 18425844), (9, 14331212), (12, 10748409), (14, 9212922), (18, 7165606), (21, 6141948), (28, 4606461), (36, 3582803), (42, 3070974), (43, 2999556), (63, 2047316), (84, 1535487), (86, 1499778), (126, 1023658), (129, 999852), (172, 749889), (252, 511829), (258, 499926), (301, 428508), (387, 333284), (516, 249963), (602, 214254), (774, 166642), (903, 142836), (1204, 107127), (1548, 83321), (1806, 71418), (2709, 47612), (3612, 35709), (5418, 23806), (10836, 11903)]