1638508788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{51197}}^1$

素因数の和:51341

約数の個数: 72

約数和(自身を含む): 4770834432

約数和(自身を除く): 3132325644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 127, 252, 254, 381, 508, 762, 889, 1143, 1524, 1778, 2286, 2667, 3556, 4572, 5334, 8001, 10668, 16002, 32004, 51197, 102394, 153591, 204788, 307182, 358379, 460773, 614364, 716758, 921546, 1075137, 1433516, 1843092, 2150274, 3225411, 4300548, 6450822, 6502019, 12901644, 13004038, 19506057, 26008076, 39012114, 45514133, 58518171, 78024228, 91028266, 117036342, 136542399, 182056532, 234072684, 273084798, 409627197, 546169596, 819254394, 1638508788]

約数ペア:

[(1, 1638508788), (2, 819254394), (3, 546169596), (4, 409627197), (6, 273084798), (7, 234072684), (9, 182056532), (12, 136542399), (14, 117036342), (18, 91028266), (21, 78024228), (28, 58518171), (36, 45514133), (42, 39012114), (63, 26008076), (84, 19506057), (126, 13004038), (127, 12901644), (252, 6502019), (254, 6450822), (381, 4300548), (508, 3225411), (762, 2150274), (889, 1843092), (1143, 1433516), (1524, 1075137), (1778, 921546), (2286, 716758), (2667, 614364), (3556, 460773), (4572, 358379), (5334, 307182), (8001, 204788), (10668, 153591), (16002, 102394), (32004, 51197)]