644631856

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:551

約数の個数: 120

約数和(自身を含む): 1481905152

約数和(自身を除く): 837273296

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 31, 44, 46, 62, 88, 92, 121, 124, 176, 184, 242, 248, 253, 341, 368, 467, 484, 496, 506, 682, 713, 934, 968, 1012, 1364, 1426, 1868, 1936, 2024, 2728, 2783, 2852, 3736, 3751, 4048, 5137, 5456, 5566, 5704, 7472, 7502, 7843, 10274, 10741, 11132, 11408, 14477, 15004, 15686, 20548, 21482, 22264, 28954, 30008, 31372, 41096, 42964, 44528, 56507, 57908, 60016, 62744, 82192, 85928, 86273, 113014, 115816, 118151, 125488, 159247, 171856, 172546, 226028, 231632, 236302, 318494, 332971, 345092, 452056, 472604, 636988, 665942, 690184, 904112, 945208, 1273976, 1299661, 1331884, 1380368, 1751717, 1890416, 2547952, 2599322, 2663768, 3503434, 3662681, 5198644, 5327536, 7006868, 7325362, 10397288, 14013736, 14650724, 20794576, 28027472, 29301448, 40289491, 58602896, 80578982, 161157964, 322315928, 644631856]

約数ペア:

[(1, 644631856), (2, 322315928), (4, 161157964), (8, 80578982), (11, 58602896), (16, 40289491), (22, 29301448), (23, 28027472), (31, 20794576), (44, 14650724), (46, 14013736), (62, 10397288), (88, 7325362), (92, 7006868), (121, 5327536), (124, 5198644), (176, 3662681), (184, 3503434), (242, 2663768), (248, 2599322), (253, 2547952), (341, 1890416), (368, 1751717), (467, 1380368), (484, 1331884), (496, 1299661), (506, 1273976), (682, 945208), (713, 904112), (934, 690184), (968, 665942), (1012, 636988), (1364, 472604), (1426, 452056), (1868, 345092), (1936, 332971), (2024, 318494), (2728, 236302), (2783, 231632), (2852, 226028), (3736, 172546), (3751, 171856), (4048, 159247), (5137, 125488), (5456, 118151), (5566, 115816), (5704, 113014), (7472, 86273), (7502, 85928), (7843, 82192), (10274, 62744), (10741, 60016), (11132, 57908), (11408, 56507), (14477, 44528), (15004, 42964), (15686, 41096), (20548, 31372), (21482, 30008), (22264, 28954)]