489831992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1109}}^1$

素因数の和:1296

約数の個数: 64

約数和(自身を含む): 1029369600

約数和(自身を除く): 539537608

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 137, 248, 274, 403, 548, 806, 1096, 1109, 1612, 1781, 2218, 3224, 3562, 4247, 4436, 7124, 8494, 8872, 14248, 14417, 16988, 28834, 33976, 34379, 55211, 57668, 68758, 110422, 115336, 137516, 151933, 220844, 275032, 303866, 441688, 446927, 607732, 893854, 1215464, 1787708, 1975129, 3575416, 3950258, 4709923, 7900516, 9419846, 15801032, 18839692, 37679384, 61228999, 122457998, 244915996, 489831992]

約数ペア:

[(1, 489831992), (2, 244915996), (4, 122457998), (8, 61228999), (13, 37679384), (26, 18839692), (31, 15801032), (52, 9419846), (62, 7900516), (104, 4709923), (124, 3950258), (137, 3575416), (248, 1975129), (274, 1787708), (403, 1215464), (548, 893854), (806, 607732), (1096, 446927), (1109, 441688), (1612, 303866), (1781, 275032), (2218, 220844), (3224, 151933), (3562, 137516), (4247, 115336), (4436, 110422), (7124, 68758), (8494, 57668), (8872, 55211), (14248, 34379), (14417, 33976), (16988, 28834)]