8999388

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 24460800

約数和(自身を除く): 15461412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 59, 76, 114, 118, 171, 177, 223, 228, 236, 342, 354, 446, 531, 669, 684, 708, 892, 1062, 1121, 1338, 2007, 2124, 2242, 2676, 3363, 4014, 4237, 4484, 6726, 8028, 8474, 10089, 12711, 13157, 13452, 16948, 20178, 25422, 26314, 38133, 39471, 40356, 50844, 52628, 76266, 78942, 118413, 152532, 157884, 236826, 249983, 473652, 499966, 749949, 999932, 1499898, 2249847, 2999796, 4499694, 8999388]

約数ペア:

[(1, 8999388), (2, 4499694), (3, 2999796), (4, 2249847), (6, 1499898), (9, 999932), (12, 749949), (18, 499966), (19, 473652), (36, 249983), (38, 236826), (57, 157884), (59, 152532), (76, 118413), (114, 78942), (118, 76266), (171, 52628), (177, 50844), (223, 40356), (228, 39471), (236, 38133), (342, 26314), (354, 25422), (446, 20178), (531, 16948), (669, 13452), (684, 13157), (708, 12711), (892, 10089), (1062, 8474), (1121, 8028), (1338, 6726), (2007, 4484), (2124, 4237), (2242, 4014), (2676, 3363)]