838874985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{881}}^1$

素因数の和:1178

約数の個数: 64

約数和(自身を含む): 1529176320

約数和(自身を除く): 690301335

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 257, 285, 741, 771, 881, 1235, 1285, 2643, 3341, 3705, 3855, 4405, 4883, 10023, 11453, 13215, 14649, 16705, 16739, 24415, 34359, 50115, 50217, 57265, 63479, 73245, 83695, 171795, 190437, 217607, 226417, 251085, 317395, 652821, 679251, 952185, 1088035, 1132085, 2943421, 3264105, 3396255, 4301923, 8830263, 12905769, 14717105, 21509615, 44151315, 55924999, 64528845, 167774997, 279624995, 838874985]

約数ペア:

[(1, 838874985), (3, 279624995), (5, 167774997), (13, 64528845), (15, 55924999), (19, 44151315), (39, 21509615), (57, 14717105), (65, 12905769), (95, 8830263), (195, 4301923), (247, 3396255), (257, 3264105), (285, 2943421), (741, 1132085), (771, 1088035), (881, 952185), (1235, 679251), (1285, 652821), (2643, 317395), (3341, 251085), (3705, 226417), (3855, 217607), (4405, 190437), (4883, 171795), (10023, 83695), (11453, 73245), (13215, 63479), (14649, 57265), (16705, 50217), (16739, 50115), (24415, 34359)]