2158156

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1$

素因数の和:60

約数の個数: 72

約数和(自身を含む): 5213600

約数和(自身を除く): 3055444

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 121, 143, 154, 182, 196, 242, 286, 308, 343, 364, 484, 539, 572, 637, 686, 847, 1001, 1078, 1274, 1372, 1573, 1694, 2002, 2156, 2548, 3146, 3388, 3773, 4004, 4459, 5929, 6292, 7007, 7546, 8918, 11011, 11858, 14014, 15092, 17836, 22022, 23716, 28028, 41503, 44044, 49049, 77077, 83006, 98098, 154154, 166012, 196196, 308308, 539539, 1079078, 2158156]

約数ペア:

[(1, 2158156), (2, 1079078), (4, 539539), (7, 308308), (11, 196196), (13, 166012), (14, 154154), (22, 98098), (26, 83006), (28, 77077), (44, 49049), (49, 44044), (52, 41503), (77, 28028), (91, 23716), (98, 22022), (121, 17836), (143, 15092), (154, 14014), (182, 11858), (196, 11011), (242, 8918), (286, 7546), (308, 7007), (343, 6292), (364, 5929), (484, 4459), (539, 4004), (572, 3773), (637, 3388), (686, 3146), (847, 2548), (1001, 2156), (1078, 2002), (1274, 1694), (1372, 1573)]