641020534

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1321}}^1$

素因数の和:1501

約数の個数: 64

約数和(自身を含む): 1260997632

約数和(自身を除く): 619977098

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 137, 154, 161, 253, 274, 322, 506, 959, 1321, 1507, 1771, 1918, 2642, 3014, 3151, 3542, 6302, 9247, 10549, 14531, 18494, 21098, 22057, 29062, 30383, 34661, 44114, 60766, 69322, 101717, 180977, 203434, 212681, 242627, 334213, 361954, 425362, 485254, 668426, 1266839, 1990747, 2339491, 2533678, 3981494, 4162471, 4678982, 8324942, 13935229, 27870458, 29137297, 45787181, 58274594, 91574362, 320510267, 641020534]

約数ペア:

[(1, 641020534), (2, 320510267), (7, 91574362), (11, 58274594), (14, 45787181), (22, 29137297), (23, 27870458), (46, 13935229), (77, 8324942), (137, 4678982), (154, 4162471), (161, 3981494), (253, 2533678), (274, 2339491), (322, 1990747), (506, 1266839), (959, 668426), (1321, 485254), (1507, 425362), (1771, 361954), (1918, 334213), (2642, 242627), (3014, 212681), (3151, 203434), (3542, 180977), (6302, 101717), (9247, 69322), (10549, 60766), (14531, 44114), (18494, 34661), (21098, 30383), (22057, 29062)]