221226044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{233}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 455429520

約数和(自身を除く): 234203476

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 233, 247, 403, 466, 494, 589, 806, 932, 961, 988, 1178, 1612, 1922, 2356, 3029, 3844, 4427, 6058, 7223, 7657, 8854, 12116, 12493, 14446, 15314, 17708, 18259, 24986, 28892, 30628, 36518, 49972, 57551, 73036, 93899, 115102, 137237, 187798, 223913, 230204, 237367, 274474, 375596, 447826, 474734, 548948, 895652, 949468, 1784081, 2910869, 3568162, 4254347, 5821738, 7136324, 8508694, 11643476, 17017388, 55306511, 110613022, 221226044]

約数ペア:

[(1, 221226044), (2, 110613022), (4, 55306511), (13, 17017388), (19, 11643476), (26, 8508694), (31, 7136324), (38, 5821738), (52, 4254347), (62, 3568162), (76, 2910869), (124, 1784081), (233, 949468), (247, 895652), (403, 548948), (466, 474734), (494, 447826), (589, 375596), (806, 274474), (932, 237367), (961, 230204), (988, 223913), (1178, 187798), (1612, 137237), (1922, 115102), (2356, 93899), (3029, 73036), (3844, 57551), (4427, 49972), (6058, 36518), (7223, 30628), (7657, 28892), (8854, 24986), (12116, 18259), (12493, 17708), (14446, 15314)]