217908548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12289}}^1$

素因数の和:12348

約数の個数: 48

約数和(自身を含む): 462497280

約数和(自身を除く): 244588732

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 682, 806, 1364, 1612, 4433, 8866, 12289, 17732, 24578, 49156, 135179, 159757, 270358, 319514, 380959, 540716, 639028, 761918, 1523836, 1757327, 3514654, 4190549, 4952467, 7029308, 8381098, 9904934, 16762196, 19809868, 54477137, 108954274, 217908548]

約数ペア:

[(1, 217908548), (2, 108954274), (4, 54477137), (11, 19809868), (13, 16762196), (22, 9904934), (26, 8381098), (31, 7029308), (44, 4952467), (52, 4190549), (62, 3514654), (124, 1757327), (143, 1523836), (286, 761918), (341, 639028), (403, 540716), (572, 380959), (682, 319514), (806, 270358), (1364, 159757), (1612, 135179), (4433, 49156), (8866, 24578), (12289, 17732)]