644328152

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{19181}}^1$

素因数の和:19236

約数の個数: 64

約数和(自身を含む): 1450159200

約数和(自身を除く): 805831048

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 1768, 1976, 2584, 4199, 8398, 16796, 19181, 33592, 38362, 76724, 153448, 249353, 326077, 364439, 498706, 652154, 728878, 997412, 1304308, 1457756, 1994824, 2608616, 2915512, 4239001, 4737707, 6195463, 8478002, 9475414, 12390926, 16956004, 18950828, 24781852, 33912008, 37901656, 49563704, 80541019, 161082038, 322164076, 644328152]

約数ペア:

[(1, 644328152), (2, 322164076), (4, 161082038), (8, 80541019), (13, 49563704), (17, 37901656), (19, 33912008), (26, 24781852), (34, 18950828), (38, 16956004), (52, 12390926), (68, 9475414), (76, 8478002), (104, 6195463), (136, 4737707), (152, 4239001), (221, 2915512), (247, 2608616), (323, 1994824), (442, 1457756), (494, 1304308), (646, 997412), (884, 728878), (988, 652154), (1292, 498706), (1768, 364439), (1976, 326077), (2584, 249353), (4199, 153448), (8398, 76724), (16796, 38362), (19181, 33592)]