255577068

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{643}}^1$

素因数の和:895

約数の個数: 72

約数和(自身を含む): 661287536

約数和(自身を除く): 405710468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 181, 183, 244, 362, 366, 543, 549, 643, 724, 732, 1086, 1098, 1286, 1629, 1929, 2172, 2196, 2572, 3258, 3858, 5787, 6516, 7716, 11041, 11574, 22082, 23148, 33123, 39223, 44164, 66246, 78446, 99369, 116383, 117669, 132492, 156892, 198738, 232766, 235338, 349149, 353007, 397476, 465532, 470676, 698298, 706014, 1047447, 1396596, 1412028, 2094894, 4189788, 7099363, 14198726, 21298089, 28397452, 42596178, 63894267, 85192356, 127788534, 255577068]

約数ペア:

[(1, 255577068), (2, 127788534), (3, 85192356), (4, 63894267), (6, 42596178), (9, 28397452), (12, 21298089), (18, 14198726), (36, 7099363), (61, 4189788), (122, 2094894), (181, 1412028), (183, 1396596), (244, 1047447), (362, 706014), (366, 698298), (543, 470676), (549, 465532), (643, 397476), (724, 353007), (732, 349149), (1086, 235338), (1098, 232766), (1286, 198738), (1629, 156892), (1929, 132492), (2172, 117669), (2196, 116383), (2572, 99369), (3258, 78446), (3858, 66246), (5787, 44164), (6516, 39223), (7716, 33123), (11041, 23148), (11574, 22082)]