78538356

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^3\times {\mathrm{331}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 221244800

約数和(自身を除く): 142706444

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 169, 234, 331, 338, 351, 468, 507, 662, 676, 702, 993, 1014, 1324, 1404, 1521, 1986, 2028, 2197, 2979, 3042, 3972, 4303, 4394, 4563, 5958, 6084, 6591, 8606, 8788, 8937, 9126, 11916, 12909, 13182, 17212, 17874, 18252, 19773, 25818, 26364, 35748, 38727, 39546, 51636, 55939, 59319, 77454, 79092, 111878, 116181, 118638, 154908, 167817, 223756, 232362, 237276, 335634, 464724, 503451, 671268, 727207, 1006902, 1454414, 1510353, 2013804, 2181621, 2908828, 3020706, 4363242, 6041412, 6544863, 8726484, 13089726, 19634589, 26179452, 39269178, 78538356]

約数ペア:

[(1, 78538356), (2, 39269178), (3, 26179452), (4, 19634589), (6, 13089726), (9, 8726484), (12, 6544863), (13, 6041412), (18, 4363242), (26, 3020706), (27, 2908828), (36, 2181621), (39, 2013804), (52, 1510353), (54, 1454414), (78, 1006902), (108, 727207), (117, 671268), (156, 503451), (169, 464724), (234, 335634), (331, 237276), (338, 232362), (351, 223756), (468, 167817), (507, 154908), (662, 118638), (676, 116181), (702, 111878), (993, 79092), (1014, 77454), (1324, 59319), (1404, 55939), (1521, 51636), (1986, 39546), (2028, 38727), (2197, 35748), (2979, 26364), (3042, 25818), (3972, 19773), (4303, 18252), (4394, 17874), (4563, 17212), (5958, 13182), (6084, 12909), (6591, 11916), (8606, 9126), (8788, 8937)]