172912122

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7121}}^1$

素因数の和:7219

約数の個数: 48

約数和(自身を含む): 399971520

約数和(自身を除く): 227059398

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 1278, 1349, 2698, 4047, 7121, 8094, 12141, 14242, 21363, 24282, 42726, 64089, 128178, 135299, 270598, 405897, 505591, 811794, 1011182, 1217691, 1516773, 2435382, 3033546, 4550319, 9100638, 9606229, 19212458, 28818687, 57637374, 86456061, 172912122]

約数ペア:

[(1, 172912122), (2, 86456061), (3, 57637374), (6, 28818687), (9, 19212458), (18, 9606229), (19, 9100638), (38, 4550319), (57, 3033546), (71, 2435382), (114, 1516773), (142, 1217691), (171, 1011182), (213, 811794), (342, 505591), (426, 405897), (639, 270598), (1278, 135299), (1349, 128178), (2698, 64089), (4047, 42726), (7121, 24282), (8094, 21363), (12141, 14242)]