28881832

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 64880640

約数和(自身を除く): 35998808

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 127, 131, 217, 248, 254, 262, 434, 508, 524, 868, 889, 917, 1016, 1048, 1736, 1778, 1834, 3556, 3668, 3937, 4061, 7112, 7336, 7874, 8122, 15748, 16244, 16637, 27559, 28427, 31496, 32488, 33274, 55118, 56854, 66548, 110236, 113708, 116459, 133096, 220472, 227416, 232918, 465836, 515747, 931672, 1031494, 2062988, 3610229, 4125976, 7220458, 14440916, 28881832]

約数ペア:

[(1, 28881832), (2, 14440916), (4, 7220458), (7, 4125976), (8, 3610229), (14, 2062988), (28, 1031494), (31, 931672), (56, 515747), (62, 465836), (124, 232918), (127, 227416), (131, 220472), (217, 133096), (248, 116459), (254, 113708), (262, 110236), (434, 66548), (508, 56854), (524, 55118), (868, 33274), (889, 32488), (917, 31496), (1016, 28427), (1048, 27559), (1736, 16637), (1778, 16244), (1834, 15748), (3556, 8122), (3668, 7874), (3937, 7336), (4061, 7112)]