291257252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1459}}^1$

素因数の和:1836

約数の個数: 48

約数和(自身を含む): 600936000

約数和(自身を除く): 309678748

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 349, 572, 698, 1396, 1459, 2918, 3839, 4537, 5836, 7678, 9074, 15356, 16049, 18148, 18967, 32098, 37934, 49907, 64196, 75868, 99814, 199628, 208637, 417274, 509191, 834548, 1018382, 2036764, 5601101, 6619483, 11202202, 13238966, 22404404, 26477932, 72814313, 145628626, 291257252]

約数ペア:

[(1, 291257252), (2, 145628626), (4, 72814313), (11, 26477932), (13, 22404404), (22, 13238966), (26, 11202202), (44, 6619483), (52, 5601101), (143, 2036764), (286, 1018382), (349, 834548), (572, 509191), (698, 417274), (1396, 208637), (1459, 199628), (2918, 99814), (3839, 75868), (4537, 64196), (5836, 49907), (7678, 37934), (9074, 32098), (15356, 18967), (16049, 18148)]