215701486

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:857

約数の個数: 64

約数和(自身を含む): 437746176

約数和(自身を除く): 222044690

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 163, 182, 286, 326, 661, 1001, 1141, 1322, 1793, 2002, 2119, 2282, 3586, 4238, 4627, 7271, 8593, 9254, 12551, 14542, 14833, 17186, 23309, 25102, 29666, 46618, 50897, 60151, 94523, 101794, 107743, 120302, 163163, 189046, 215486, 326326, 661661, 754201, 1185173, 1323322, 1400659, 1508402, 2370346, 2801318, 8296211, 9804613, 15407249, 16592422, 19609226, 30814498, 107850743, 215701486]

約数ペア:

[(1, 215701486), (2, 107850743), (7, 30814498), (11, 19609226), (13, 16592422), (14, 15407249), (22, 9804613), (26, 8296211), (77, 2801318), (91, 2370346), (143, 1508402), (154, 1400659), (163, 1323322), (182, 1185173), (286, 754201), (326, 661661), (661, 326326), (1001, 215486), (1141, 189046), (1322, 163163), (1793, 120302), (2002, 107743), (2119, 101794), (2282, 94523), (3586, 60151), (4238, 50897), (4627, 46618), (7271, 29666), (8593, 25102), (9254, 23309), (12551, 17186), (14542, 14833)]