248218256

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:880

約数の個数: 80

約数和(自身を含む): 569421888

約数和(自身を除く): 321203632

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 157, 176, 208, 286, 314, 572, 628, 691, 1144, 1256, 1382, 1727, 2041, 2288, 2512, 2764, 3454, 4082, 5528, 6908, 7601, 8164, 8983, 11056, 13816, 15202, 16328, 17966, 22451, 27632, 30404, 32656, 35932, 44902, 60808, 71864, 89804, 98813, 108487, 121616, 143728, 179608, 197626, 216974, 359216, 395252, 433948, 790504, 867896, 1193357, 1410331, 1581008, 1735792, 2386714, 2820662, 4773428, 5641324, 9546856, 11282648, 15513641, 19093712, 22565296, 31027282, 62054564, 124109128, 248218256]

約数ペア:

[(1, 248218256), (2, 124109128), (4, 62054564), (8, 31027282), (11, 22565296), (13, 19093712), (16, 15513641), (22, 11282648), (26, 9546856), (44, 5641324), (52, 4773428), (88, 2820662), (104, 2386714), (143, 1735792), (157, 1581008), (176, 1410331), (208, 1193357), (286, 867896), (314, 790504), (572, 433948), (628, 395252), (691, 359216), (1144, 216974), (1256, 197626), (1382, 179608), (1727, 143728), (2041, 121616), (2288, 108487), (2512, 98813), (2764, 89804), (3454, 71864), (4082, 60808), (5528, 44902), (6908, 35932), (7601, 32656), (8164, 30404), (8983, 27632), (11056, 22451), (13816, 17966), (15202, 16328)]