398750638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 734469120

約数和(自身を除く): 335718482

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 131, 143, 262, 286, 319, 367, 377, 638, 734, 754, 1441, 1703, 2882, 3406, 3799, 4037, 4147, 4771, 7598, 8074, 8294, 9542, 10643, 18733, 21286, 37466, 41789, 48077, 49387, 52481, 83578, 96154, 98774, 104962, 117073, 138359, 234146, 276718, 528847, 543257, 625001, 1057694, 1086514, 1250002, 1394233, 1521949, 2788466, 3043898, 6875011, 13750022, 15336563, 18125029, 30673126, 36250058, 199375319, 398750638]

約数ペア:

[(1, 398750638), (2, 199375319), (11, 36250058), (13, 30673126), (22, 18125029), (26, 15336563), (29, 13750022), (58, 6875011), (131, 3043898), (143, 2788466), (262, 1521949), (286, 1394233), (319, 1250002), (367, 1086514), (377, 1057694), (638, 625001), (734, 543257), (754, 528847), (1441, 276718), (1703, 234146), (2882, 138359), (3406, 117073), (3799, 104962), (4037, 98774), (4147, 96154), (4771, 83578), (7598, 52481), (8074, 49387), (8294, 48077), (9542, 41789), (10643, 37466), (18733, 21286)]