72162128

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{457}}^1$

素因数の和:675

約数の個数: 40

約数和(自身を含む): 143115840

約数和(自身を除く): 70953712

約数列:

[1, 2, 4, 8, 16, 71, 139, 142, 278, 284, 457, 556, 568, 914, 1112, 1136, 1828, 2224, 3656, 7312, 9869, 19738, 32447, 39476, 63523, 64894, 78952, 127046, 129788, 157904, 254092, 259576, 508184, 519152, 1016368, 4510133, 9020266, 18040532, 36081064, 72162128]

約数ペア:

[(1, 72162128), (2, 36081064), (4, 18040532), (8, 9020266), (16, 4510133), (71, 1016368), (139, 519152), (142, 508184), (278, 259576), (284, 254092), (457, 157904), (556, 129788), (568, 127046), (914, 78952), (1112, 64894), (1136, 63523), (1828, 39476), (2224, 32447), (3656, 19738), (7312, 9869)]